神机妙算细又巧.(计算下面各题能简算的要简算)
21.28﹣21.28÷7×3
0.32×25×12.5
2.5×4.7﹣2.5+2.5×6.3
(77.4﹣3.096÷0.4)÷0.03
7.74×(2.8﹣1.3)+1.5×2.26.
神机妙算细又巧.(计算下面各题能简算的要简算)
21.28﹣21.28÷7×3
0.32×25×12.5
2.5×4.7﹣2.5+2.5×6.3
(77.4﹣3.096÷0.4)÷0.03
7.74×(2.8﹣1.3)+1.5×2.26.
试题篮
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