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8x132+61x8简便计算

简便运算:(132+268)*8 =400*8 =3200

549x8+61x28的简便运算549x8+61x28=549*8+51*8+10*8+61*20=8*(549+51)+80+1220=4800+1300=6100

124x8-74x8=(14-74)*8=50*8=400

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

8x4.6+3.5x8+4.4x8=8x(4.6+3.5+4.4)=8x(4.6+4.4+3.5)=8x12.5=100

可以简便计算,用乘法结合律,原式=0.017x(0.5x8) =0.017x4 =0.068

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

=8x4x25x13=8x100x13=8x13x100=10400

你好!=147x8+8x52+8x1=8x(147+52+1)=8x200=1600 仅代表个人观点,不喜勿喷,谢谢.

你好!=8*(208-88)=8*120=960 仅代表个人观点,不喜勿喷,谢谢.

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