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=10.2×0.6+31.2
=(10+0.2)×0.6+31.2
=37.32
=0.9797
=73.6×100
=7360
(4)原式=49.2-0.25-8.75
=49.2-(0.25+8.75)
=40.2
=73-38
=35
=560
脱式计算。(能简算的要简算)
|
(1)原式=10.2×0.6+31.2
=(10+0.2)×0.6+31.2
=37.32
=0.9797
=73.6×100
=7360
(4)原式=49.2-0.25-8.75
=49.2-(0.25+8.75)
=40.2
=73-38
=35
=560