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脱式计算.6.8×0.75÷0

(1)6.8×0.26+3.75=1.768+3.75,=5.518;(2)(9-2.35)×0.48,=6.65×0.48,=3.192;(3)4×O.8×2.5×1.25,=(4×2.5)×(O.8×1.25),=10×1,=10; (4)2.75×102,=2.75×(100+2),=2.75×100+2.75×2,=275+5.5,=280.5.

(1)6.8×0.75÷0.5,=68×(0.75÷0.5),=68×1.5,=102;(2)13.5÷2.5-2.75,=5.4-2.75,=2.65;(3)0.125×0.25×32,=0.125×0.25×4×8,=(0.125×8)×(0.25×4),=1×1,=1;(4)0.9+9.9+99.9+0.3,=(1-0.1)+(10-0.1)+(100-0.1)+0.3,=1...

7.8×1.6-7.8×0.6 =7.8x(1.6-0.6) =7.8x1 =7.8

0.95+6.8×0.5 =0.95+3.4 =4.35 你好,本题已解答,如果满意 请点右上角“采纳答案”。

4.3-(0.6-2.4÷0.8) =4.3-(0.6-3) =4.3+3-0.6 =7.3-0.6 =6.7

0.75+0.25×6.8 =0.75+0.25×4×1.7 =0.75+1×1.7 =0.75+1.7 =2.45

6.8乘0.75/0.5 =6.8×(0.75×2) =6.8×1.5 =10.2 13.75/0.125-2.75 =13.75×8-2.75 =110-2.75 =107.25 1.53+23.4/7.2 =1.53+23.4÷9÷0.8 =1.53+2.6÷0.8 =1.53+3.25 =4.78 2.85/1.25/0.8 =2.85÷(1.25×0.8) =2.85 10.5*0.25*12 =10.5×(12÷4) =10....

(1)1020+270÷18-864,=1020+15-864,=171;(2)23÷0.8×34,=23÷45×34,=23×54×34,=58;(3)18+57+6.875+27,=(18+6.875)+(57+27),=(0.125+6.875)+1,=7+1,=8;(4)0.25×64×125%,=0.25×4×2×8×1.25,=(0.25×4)×(8×1.25)×2,=1×...

1.08x0.8÷0.27 =0.864÷0.27 =3.2

7.6/8=9 11-9=2 4.6*2=9.6

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