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直接写数对又快!0.25×45+2.5%=940940;9.6-11÷7+17×4=;12×[(116-23)×3]=;199+1999+19999+199999=;1.076×3.4+10.76×0.66=;123-234+345-456+567+678-789+890=.

题目详情
直接写数对又快!
0.25×
4
5
+2.5%=
9
40
9
40

9.6-11÷7+
1
7
×4=______;
12×[(
11
6
-
2
3
)×3]=______;
199+1999+19999+199999=______;
1.076×3.4+10.76×0.66=______;
123-234+345-456+567+678-789+890=______.

4
5
+2.5%=
9
40
9
40

9.6-11÷7+
1
7
×4=______;
12×[(
11
6
-
2
3
)×3]=______;
199+1999+19999+199999=______;
1.076×3.4+10.76×0.66=______;
123-234+345-456+567+678-789+890=______.
4
5
4455
9
40
9
40
9
40
994040
9
40
9
40
9
40
994040
1
7
×4=______;
12×[(
11
6
-
2
3
)×3]=______;
199+1999+19999+199999=______;
1.076×3.4+10.76×0.66=______;
123-234+345-456+567+678-789+890=______.
1
7
1177
11
6
-
2
3
)×3]=______;
199+1999+19999+199999=______;
1.076×3.4+10.76×0.66=______;
123-234+345-456+567+678-789+890=______.
11
6
111166
2
3
)×3]=______;
199+1999+19999+199999=______;
1.076×3.4+10.76×0.66=______;
123-234+345-456+567+678-789+890=______.
2
3
2233


▼优质解答
答案和解析
①0.25×
4
5
+2.5%=
9
40

②9.6-11÷7+
1
7
×4=8.6;
③12×[(
11
6
-
2
3
)×3]=42;
④199+1999+19999+199999=222196;
⑤1.076×3.4+10.76×0.66=10.76;
⑥123-234+345-456+567+678-789+890=1124,
故答案为:
9
40
,8.6,42,222196,10.76,1124.
4
5
444555+2.5%=
9
40

②9.6-11÷7+
1
7
×4=8.6;
③12×[(
11
6
-
2
3
)×3]=42;
④199+1999+19999+199999=222196;
⑤1.076×3.4+10.76×0.66=10.76;
⑥123-234+345-456+567+678-789+890=1124,
故答案为:
9
40
,8.6,42,222196,10.76,1124.
9
40
999404040;
②9.6-11÷7+
1
7
×4=8.6;
③12×[(
11
6
-
2
3
)×3]=42;
④199+1999+19999+199999=222196;
⑤1.076×3.4+10.76×0.66=10.76;
⑥123-234+345-456+567+678-789+890=1124,
故答案为:
9
40
,8.6,42,222196,10.76,1124.
1
7
111777×4=8.6;
③12×[(
11
6
-
2
3
)×3]=42;
④199+1999+19999+199999=222196;
⑤1.076×3.4+10.76×0.66=10.76;
⑥123-234+345-456+567+678-789+890=1124,
故答案为:
9
40
,8.6,42,222196,10.76,1124.
11
6
111111666-
2
3
)×3]=42;
④199+1999+19999+199999=222196;
⑤1.076×3.4+10.76×0.66=10.76;
⑥123-234+345-456+567+678-789+890=1124,
故答案为:
9
40
,8.6,42,222196,10.76,1124.
2
3
222333)×3]=42;
④199+1999+19999+199999=222196;
⑤1.076×3.4+10.76×0.66=10.76;
⑥123-234+345-456+567+678-789+890=1124,
故答案为:
9
40
,8.6,42,222196,10.76,1124.
9
40
999404040,8.6,42,222196,10.76,1124.