直接写出得数0.9+0.4=1.8+0.9=1-0.3=1.5-0.7=3-2.6=5.3+4.6=4+3.5=7-2.9=210+510=910-510=710+1=19100-7100=10-9×0=3×5×40=3×7×4=330÷3×10=
直接写出得数 0.9+0.4= | 1.8+0.9= | 1-0.3= | 1.5-0.7= |
3-2.6= | 5.3+4.6= | 4+3.5= | 7-2.9= |
+= | -= | +1= | -= |
10-9×0= | 3×5×40= | 3×7×4= | 330÷3×10= |
直接写出得数 0.9+0.4= | 1.8+0.9= | 1-0.3= | 1.5-0.7= |
3-2.6= | 5.3+4.6= | 4+3.5= | 7-2.9= |
+= | -= | +1= | -= |
10-9×0= | 3×5×40= | 3×7×4= | 330÷3×10= |
直接写出得数 0.9+0.4= | 1.8+0.9= | 1-0.3= | 1.5-0.7= |
直接写出得数 0.9+0.4= | 1.8+0.9= | 1-0.3= | 1.5-0.7= | 3-2.6= | 5.3+4.6= | 4+3.5= | 7-2.9= |
3-2.6= | 5.3+4.6= | 4+3.5= | 7-2.9= | += | -= | +1= | -= |
+= | +=2 |
2 | 10 |
10 | =5 |
5 | 10 |
10 | -= | -=9 |
9 | 10 |
10 | =5 |
5 | 10 |
10 | +1= | +1=7 |
7 | 10 |
10 | -= | -=19 |
19 | 100 |
100 | =7 |
7 | 100 |
100 | 10-9×0= | 3×5×40= | 3×7×4= | 330÷3×10= |
10-9×0= | 3×5×40= | 3×7×4= | 330÷3×10= |
答案和解析
0.9+0.4=1.3, | 1.8+0.9=2.7, | 1-0.3=0.7, | 1.5-0.7=0.8, |
3-2.6=0.4, | 5.3+4.6=9.9, | 4+3.5=7.5, | 7-2.9=4.1, |
+=, | -=, | +1=1, | -=, |
10-9×0=10, | 3×5×40=600, | 3×7×4=84, | 330÷3×10=1100. |
0.9+0.4=1.3, | 1.8+0.9=2.7, | 1-0.3=0.7, | 1.5-0.7=0.8, |
0.9+0.4=1.3, | 0.9+0.4=1.3,
1.8+0.9=2.7, | 1.8+0.9=2.7,
1-0.3=0.7, | 1-0.3=0.7,
1.5-0.7=0.8, | 1.5-0.7=0.8,
3-2.6=0.4, | 5.3+4.6=9.9, | 4+3.5=7.5, | 7-2.9=4.1, |
3-2.6=0.4, | 3-2.6=0.4,
5.3+4.6=9.9, | 5.3+4.6=9.9,
4+3.5=7.5, | 4+3.5=7.5,
7-2.9=4.1, | 7-2.9=4.1,
+=, | -=, | +1=1, | -=, |
+=, | +=,2 |
2 | 2
10 |
10 | 10+
=,5 |
5 | 5
10 |
10 | 10=
,7 |
7 | 7
10 |
10 | 10,
-=, | -=,9 |
9 | 9
10 |
10 | 10-
=,5 |
5 | 5
10 |
10 | 10=
,2 |
2 | 2
5 |
5 | 5,
+1=1, | +1=1,7 |
7 | 7
10 |
10 | 10+1=1
,7 |
7 | 7
10 |
10 | 10,
-=, | -=,19 |
19 | 19
100 |
100 | 100-
=,7 |
7 | 7
100 |
100 | 100=
,3 |
3 | 3
25 |
25 | 25,
10-9×0=10, | 3×5×40=600, | 3×7×4=84, | 330÷3×10=1100. |
10-9×0=10, | 10-9×0=10,
3×5×40=600, | 3×5×40=600,
3×7×4=84, | 3×7×4=84,
330÷3×10=1100. | 330÷3×10=1100.
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