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108乘以0除以5怎样脱式计算

105*0/5 =0/5 =0 0与任何相乘都得0 0除以任何数都得0。

108×0.05 =108×5÷100 =540÷100 =5.4

108×21 =(100+8)×21 =100×21+8×21 =2100+168 =2268

12*9*5*7 =12*5*9*7 =60*9*7 =60*63 =3780

脱式计算 108×5/3×7/9 =180×7/9 =140

1.25×108 =1.25×(100+8) =125+10 =135。

red

108÷36 =3×36÷36 =3。

108×81÷81 =108×(81÷81) =108×1 =108

1.3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3.12× 5/6 – 2/9 ×3 4.8× 5/4 + 1/4 5.6÷ 3/8 – 3/8 ÷6 6.4/7 × 5/9 + 3/7 × 5/9 7.5/2 -( 3/2 + 4/5 ) 8.7/8 + ( 1/8 + 1/9 ) 9.9 × 5/6 + 5/6 10.3/4 × 8/9 - 1/3 11.7 × 5/49 + 3/14 12.6 ×( 1...

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