2.33×5×40.3×0.6×243.65-2.2×1.13.7×0.15+4.025.2+3.8×0.934.7×3.5-0.2

发布时间:2020-08-06 23:34:40

2.33×5×4
0.3×0.6×24
3.65-2.2×1.1
3.7×0.15+4.02
5.2+3.8×0.93
4.7×3.5-0.2

网友回答

解:(1)2.33×5×4,
=2.33×(5×4),
=2.33×20,
=46.6;

(2)0.3×0.6×24,
=0.18×24,
=4.32;

(3)3.65-2.2×1.1,
=3.65-2.42,
=1.23;

(4)3.7×0.15+4.02,
=0.555+4.02,
=4.575;

(5)5.2+3.8×0.93,
=5.2+3.534,
=8.734;

(6)4.7×3.5-0.2,
=16.45-0.2,
=16.25.
解析分析:(1)运用乘法结合律简算;
(2)按照从左到右的顺序计算;
(3)先算乘法,再算减法;
(4)先算乘法,再算加法;
(5)先算乘法,再算加法;
(6)先算乘法,再算减法.


点评:本题考查了四则混合运算,注意运算顺序和运算法则,灵活运用所学的运算定律进行简便计算.
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