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=2.87×4
=11.48
=51.68
(3)原式=2.008×(1999+1)
=4016
=10
(5)原式=3.69÷1.23÷0.5
=6
=5.28
脱式计算。(能简算的要简算)
|
(1)原式=2.87×4
=11.48
=51.68
(3)原式=2.008×(1999+1)
=4016
=10
(5)原式=3.69÷1.23÷0.5
=6
=5.28