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（79-13）×（79+23）；66×（811+533+722）；334×0.75+6.25×75%；23×15+76÷5+20%．
题目详情
（
-
）×（
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
-
）×（
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
7 7 9 9
）×（
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
1 1 3 3
+
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
7 7 9 9
）； 66×（
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
2 2 3 3
+
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
8 8 11 11
+
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
5 5 33 33
）； 3
×0.75+6.25×75%； 23×
+76÷5+20%．
7 7 22 22
×0.75+6.25×75%； 23×
+76÷5+20%．
3 3 4 4
+76÷5+20%．
1 1 5 5
| 7 |
| 9 |
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
| 8 |
| 11 |
| 5 |
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| 22 |
| 3 |
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| 1 |
| 5 |
| 7 |
| 9 |
| 1 |
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| 9 |
| 2 |
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| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
| 3 |
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| 1 |
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| 3 |
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| 1 |
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| 7 |
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| 3 |
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| 1 |
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| 7 |
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| 1 |
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| 7 |
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▼优质解答
答案和解析
（1）（
-
）×（
+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 79 9 9-
）×（
+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
1 1 13 3 3）×（
+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 79 9 9+
）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
2 2 23 3 3）；
=
×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
4 4 49 9 9×
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
13 13 139 9 9
=
；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
52 52 5281 81 81；
（2）66×（
+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
8 8 811 11 11+
+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
5 5 533 33 33+
）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 722 22 22）
=66×
+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
8 8 811 11 11+66×
+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
5 5 533 33 33+66×
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
7 7 722 22 22
=48+10+21
=79；
（3）3
×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
3 3 34 4 4×0.75+6.25×75%
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
1 1 15 5 5+76÷5+20%
=23×
+76×
+
=（23+76+1）×
=100×
=20．
1 1 15 5 5+76×
+
=（23+76+1）×
=100×
=20．
1 1 15 5 5+
=（23+76+1）×
=100×
=20．
1 1 15 5 5
=（23+76+1）×
=100×
=20．
1 1 15 5 5
=100×
=20．
1 1 15 5 5
=20．
| 7 |
| 9 |
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 9 |
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 2 |
| 3 |
=
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 4 |
| 9 |
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 13 |
| 9 |
=
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 52 |
| 81 |
（2）66×（
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 5 |
| 33 |
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 22 |
=66×
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 8 |
| 11 |
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 5 |
| 33 |
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 7 |
| 22 |
=48+10+21
=79；
（3）3
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 3 |
| 4 |
=3.75×0.75+6.25×0.75
=0.75×（3.75+6.25）
=0.75×10
=7.5；
（4）23×
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=23×
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=（23+76+1）×
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=100×
| 1 |
| 5 |
=20．
| 1 |
| 5 |
=20．
看了 （79-13）×（79+23...的网友还看了以下：
5×0.7=0.43×5=3.6÷0.9-4=240÷37≈3.6-0.36=8.1-2.2=0. 2020-04-07 …
帮忙把这几个小数转化成分数好吗0.525,0.533,0.222 2020-04-07 …
在○里填上“＞”、“＜”或“=”．529○0.533.25米○325厘米324600○32.46万 2020-04-07 …
（1）132×21（2）306×15（3）280×13（4）442÷34（5）702÷78（6）5 2020-04-07 …
列竖式计算．806-279=453+556=269×4=503×6=*467+533=*700-2 2020-04-07 …
口算．0.46-0.06=3.7+4.3=1+0.55=4.6-1.8=0.65+0.32=10- 2020-04-07 …
某有机物含碳量0.4氢0.67氧0.533其蒸气密度2.86g/L且有酸性试确定其结构简式 2020-06-27 …
笔算下列各题（其中带※的要验算）305×6=467+533=※880-407=832×5=216× 2020-07-18 …
直接写出计算结果．1.7×0.5=4÷0.8=5.6-2.3=0.125×4=1.44÷1.2=3 2020-07-26 …
直接写出得数6.9-6=0.9+0.6=1-0.09=0.9+0.1=2.7+2.2=0.2+0.8 2020-11-04 …