Question

六年级数学，10道简便计算题带答案谢谢哦∩_∩

Answer 1

其实自己写几道就可以了

Answer 2

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Answer 3

我来答 查看全部11个回答

凌月霜丶
知道合伙人教育行家 推荐于 2018-02-24

（1）2.64×1.7-2.64×0.7
=2.64×（1.7-0.7）
=2.64×1
=2.64
（2）31.5×1.07-3.15×0.7
=3.15×10.7-3.15×0.7
=3.15×（10.7-0.7）
=3.15×10
=31.5
（3）2.7×5.7-2.7+5.3×2.7
=2.7×(5.7-1+5.3）
=2.7×10
=27
（4）0.625÷0.125×0.8
=（0.625×0.8）×8÷（0.128×8）
=0.5×8÷1
=4
（5）18.6×6.1+3.9×18.6
=18.6×（6.1+3.9）
=18.6×10
=186
（6）1.3579+3.5791+5.7913+7.9135+9.1357
=（1+3+5+7+9）×1.1111
=25×1.1111
=27.7775
（7）52.5x2.9+5.45
=5.25x29+5.25+0.2
=5.25×（29+1）+0.2
=5.25×30+0.2
=157.5+0.3
=157.7
（8）0.92x15+0.08x15
=（0.92+0.08）×15
=1×15
=15
（9）0.72×1.25×2.5
=0.9×（0.8×1.25）×2.5
=0.9×1×2.5
=2.25
（10）400.6x7-2003x0.4
=200.3x14-200.3x4
=200.3×（14-4）
=200.3×10
=2003

Answer 4

。。。😖😔😔😃