问题
计算题
计算下面各题。(能简算的要简算) | ||||
|
答案
(1)72.5÷0.5÷20
=72.5÷(0.5×20)
=72.5÷10
=7.25
=4.28×(0.4+1.6)
=4.28×2
=8.56
(3)9.2+7.6+10.5
=16.8+10.5
=27.3
=1.25×0.8×7×2
=1×7×2
=14
计算下面各题。(能简算的要简算) | ||||
|
(1)72.5÷0.5÷20
=72.5÷(0.5×20)
=72.5÷10
=7.25
=4.28×(0.4+1.6)
=4.28×2
=8.56
(3)9.2+7.6+10.5
=16.8+10.5
=27.3
=1.25×0.8×7×2
=1×7×2
=14