问题
计算题
计算下列各题。(能简算的要简算)
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答案
(1)原式=2.3+3.91÷2.3
=2.3+1.7
= 4
=1×(0.8×1.25)
=1
(3)原式=1.82×0.25+0.25×2×4.09
=(1.82+8.18)×0.25
=12.5
=1.9+30
=31.9
计算下列各题。(能简算的要简算)
|
(1)原式=2.3+3.91÷2.3
=2.3+1.7
= 4
=1×(0.8×1.25)
=1
(3)原式=1.82×0.25+0.25×2×4.09
=(1.82+8.18)×0.25
=12.5
=1.9+30
=31.9