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简便运算 36×0.76+3.6×0.24 - 五分之二)÷2×3分之5

来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/26 10:23:25
简便运算 36×0.76+3.6×0.24 - 五分之二)÷2×3分之5
16分之15 -(12分之7+6分之1)×2分之1
5分之4×11分之8+5分之4×11分之3
算出来真的是天才呀!哪怕只知道两题也行啊!
简便运算
3.6×0.76+3.6×0.24 (2/5- 2/5)÷2×5/3
15/16-(7/12+1/6)×1/2
4/5×8/11+4/5×3/11+4/5
36×0.76+3.6×0.24
=3.6×7.6+3.6×0.24
=3.6×(7.6+0.24)
=3.6×7.84
=...
是不是3.6×0.76+3.6×0.24
=3.6×(0.76+.024)
=3.6×1
=3.6
(2/5- 2/5)÷2×5/3
=0÷2×5/3
=0
4/5×8/11+4/5×3/11+4/5
=4/5×(8/11+3/11)+4/5
=4/5×1+4/5
=8/5
15/16-(7/12+1/6)×1/2
=15/16-(7/12+2/12)×1/2
=15/16-9/12×1/2
=15/16-3/8
=15/16-6/16
=9/16
再问: 应该是 3.6×0.76+3.6×0.24 =3.6×(0.76+.024) =3.6×1 =3.6 (2/5- 2/5)÷2×5/3 =0÷2×5/3 =0 15/16-(7/12+1/6)×1/2 =15/16-(7/12+2/12)×1/2 =15/16-9/12×1/2 =15/16-3/8 =15/16-6/16 =9/16 4/5×8/11+4/5×3/11+4/5 =4/5×(8/11+3/11)+4/5 =4/5×1+4/5 =8/5
再答: 祝你学习进步!