6.27×3.6+37.8×0.36 369×0.99+3.69 (0.64+0.32)÷0.64 13.5×2.5-0
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/08/28 15:02:48
6.27×3.6+37.8×0.36 369×0.99+3.69 (0.64+0.32)÷0.64 13.5×2.5-0.35×25的简便算法
6.27×3.6+37.8×0.36 369×0.99+3.69 (0.64+0.32)÷0.64 13.5×2.5-0.35×25
6.27×3.6+37.8×0.36
=6.27*3.6+3.78*3.6
=3.6*(6.27+3.78)
=3.6*(10+0.05)
=36+0.18
=36.18
369×0.99+3.69
=369*0.99+369*0.01
=369*(0.99+0.01)
=369*1
=369
(0.64+0.32)÷0.64
=0.64/0.64+0.32/0.64
=1+1/2
=1.5
13.5×2.5-0.35×25
=1.35*25-0.35*25
=(1.35-0.35)*25
=25
6.27×3.6+37.8×0.36
=6.27*3.6+3.78*3.6
=3.6*(6.27+3.78)
=3.6*(10+0.05)
=36+0.18
=36.18
369×0.99+3.69
=369*0.99+369*0.01
=369*(0.99+0.01)
=369*1
=369
(0.64+0.32)÷0.64
=0.64/0.64+0.32/0.64
=1+1/2
=1.5
13.5×2.5-0.35×25
=1.35*25-0.35*25
=(1.35-0.35)*25
=25
6.27×3.6+37.8×0.36 369×0.99+3.69 (0.64+0.32)÷0.64 13.5×2.5-0
(1)6.27*3.6+37.8*0.36 (2)(0.64+0.32)除以0.64 (3)369*0.99+3.69
6.27*3.6+37.8*0.36简便计算
6.27乘3.6加37.8乘0.36的简便计算
找规律0.81 0.64 0.49 0.36 ( )
369*0.99+3.69简便计算
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7.9*0.64+0.79*3.6简算
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简算,(6分之1-9分之1)×18 1.2+9.8+7.22+10.2 9-0.64-0.36 12分之3÷6分之3÷1