问题
计算题
脱式计算。(能简算的要简算)
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答案
(1)原式=(0.2+9.1)×0.5
=9.3×0.5
=46.5
=4.7×10
=47
(3)原式=0.125×100×8
=12.5×8
=100
=98.5-6.045
=92.455
脱式计算。(能简算的要简算)
|
(1)原式=(0.2+9.1)×0.5
=9.3×0.5
=46.5
=4.7×10
=47
(3)原式=0.125×100×8
=12.5×8
=100
=98.5-6.045
=92.455