试题 试卷
题型:单选题 题类:常考题 难易度:普通
(解析完整) 整数、小数四则混合运算6254
①73.05﹣3.96=
验算:
②3.12÷15=
6.45×2.8+64.5×72
=6.45×(2.8+7.2)
=6.45×10
=64.5
10.64+7.65×2.4+11.76
①8.9×5.2+9.3
②1.4×[(7.5+38.4)÷0.9]
③9.4×8.4+5.8
④1.3×2.2﹣0.2
⑤0.9+8.3×8.3
⑥30.1÷[(6.07+2.53)×0.7]
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