同学们提问关于“7.22_7.2÷【(7.22-6.4)÷0.9】简便计算[数学]”的问题,52IJ师说平台通过网络上精心整理了以下关于“7.22_7.2÷【(7.22-6.4)÷0.9】简便计算[数学]”的一些有用参考答案。请注意:文中所谈及的内容不代表本站的真正观点,也请不要相信各种联系方式。下面是本网所整理的“7.22_7.2÷【(7.22-6.4)÷0.9】简便计算[数学]”的相关信息:
7.2÷【(7.22-6.4)÷0.9】简便计算
科目:数学 关键词:7.227.2÷【(7.22-6.4)÷0.9】
=7.2÷[(7.22-6.4)÷9/10]
=7.2÷[10*(7.22-6.4)÷9]
=7.2÷[(72.2-64)÷9]
=7.2*9÷(72.2-64)
=7.2*9÷5.8
=64.8-5.8
=59
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其他类似问题
问题1:2.22×9.9+6.66×6.7怎样简便计算小学五年级[数学科目]
2.22×9.9+6.66×6.7
=2.22×3×3.3+6.66×6.7
=6.66×3.3+6.66×6.7
=6.66×(3.3+6.7)
=6.66×10
=66.6
问题2:2.22*9.9+6.66*6.7咋么简便计算?[数学科目]
2.22*9.9分解成2.22*3*3.3=6.66*3.3再提公因式
2.22*9.9+6.66*6.7
=6.66×3.3+6.66×6.7
=6.66×(3.3+6.7)
=66.6
【欢迎追问,】
问题3:2.22×9.9+6.6×6.7简算
2.22×9.9+6.6×6.7
=2.22×3.3X3+3.3X2×6.7
=6.66X3.3+13.4X3.3
=(6.66+13.4)X3.3
=20.06 X3.3
=66.198
问题4:7/13*6/29+6/13*22/29 简便计算答对可以追悬赏的,越快越好。[数学科目]
7/13*6/29+6/13*22/29
=6/13*7/29+6/13*22/29
=6/13*(7/29+22/29)
=6/13*1
=6/13
问题5:简便运算7.2×0.2+2.4×1.4 2.3×16+2.3×23+2.3 2.22×9.9+6.66×6.7[数学科目]
7.2×0.2+2.4×1.4
=2.4×0.6+2.4×1.4
=2.4×(0.6+1.4)
=2.4×2
=4.8
2.3×16+2.3×23+2.3
=2.3×(16+23+1)
=2.3×40
=92
2.22×9.9+6.66×6.7
=6.66×3.3+6.66×6.7
=6.66×(3.3+6.7)
=6.66×10
=66.6
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