试题 试卷
题型:计算题 题类:常考题 难易度:普通
(写解析) 整数、小数四则混合运算6257
5.4×99+5.4
42×0.99
=42×1-42×0.01
=42-0.42
=41.58
1.45×6.5+0.55×6.5
2.5×0.4=
0.7+0.35=
0.5×2.4=
3.64﹣1.04﹣0.6=
3.8+38=
1.25×1.4×4=
4+8+0.25=
1.8×2.8﹣1.8×1.8=
0.84÷0.07=
5﹣2.5=
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