问题
计算题
递等式计算。(能简便的要简便运算)
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答案
(1)原式=10.1-10
=0.1
=4.31-0.0431
=4.2669
=22.5
(4)原式=4.5×(2.3-1-0.3)
=4.5
=7.46
(6)原式=0.25×4×0.4×2.5
=1
选择题
递等式计算。(能简便的要简便运算)
|
(1)原式=10.1-10
=0.1
=4.31-0.0431
=4.2669
=22.5
(4)原式=4.5×(2.3-1-0.3)
=4.5
=7.46
(6)原式=0.25×4×0.4×2.5
=1