简便运算:0.5*2.5*1.25*64还有请顺便出几道简便运算^_^
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![简便运算:0.5*2.5*1.25*64还有请顺便出几道简便运算^_^](/uploads/image/z/592206-6-6.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%9A0.5%2A2.5%2A1.25%2A64%E8%BF%98%E6%9C%89%E8%AF%B7%E9%A1%BA%E4%BE%BF%E5%87%BA%E5%87%A0%E9%81%93%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%5E_%5E)
简便运算:0.5*2.5*1.25*64还有请顺便出几道简便运算^_^
简便运算:0.5*2.5*1.25*64还有请顺便出几道简便运算^_^
简便运算:0.5*2.5*1.25*64还有请顺便出几道简便运算^_^
0.5*2.5*1.25*64
=0.5*2.5*1.25*2*4*8
=(0.5*2)*(2.5*4)*(1.25*8)
=1*10*10
=100
12.5*30+1.25*500
99*999
你能明白,赞同
0.5*2.5*1.25*64
=0.5*2*2.5*4*1.25*8
=1*10*10
=100
0.5×2.5×1.25×64
=0.5×2.5×1.25×2×4×8
=0.5×2×2.5×4×1.25×8
=1×10×10
=100
简便运算:0.5*2.5*1.25*64还有请顺便出几道简便运算^_^
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