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134 8 8x65 8的简便计算

134X8十8X66的简便运算?134X8十8X66=8x(134+66)=8x200=1600

解:134x8+8x66 =8X(134+66) =8X200 =1600

134x8=(125+9)x8=125x8+9x7=1000+72= 1072

用简便方法计算 134*8+8*66=8x(134+66)=8x200=1600

58x65-8x65的简便运算58x65-8x65=65*(58-8)=65*50=3250

8X(134=66)=8X200=1600

134*8+8*56=(134+56)x8=190x8=1520

134乘以8加8乘66=134x8=(134+66)x8=200x8=1600

=8*(134+64)=8*(200-2)=1600-16=1584

138x8+8x67-8的简便运算 138x8+8x67-8 =8*(138+67-1) =8*200+8*4 =1632

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