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43乘75分之22加75分之43乘53简便计算

43乘75分之22加75分之43乘53简便计算 43乘75分之22加75分之43乘53 =43*22/75+43/75*53 =43/75*22+43/75*53 =43/75*(22+53) =43

5分之4×(7分之5+3分之5) 还有4分之3÷【6分之5×(15分之4-6分之1) 4/5 × ( 5/7 + 5/3) 3/4 ÷ [ 5/6 ×( 4/15 - 1/6) ] = 4/5 × 5/7 + 4/5 × 5/3 = 3/4 ÷ ( 5/6 × 4/15 - 5/6 × 1/6) = 4/7 + 4/3 = 3/4 ÷ ( 2/9 - 5/36) = (3*4+4*7)/21 = 3/4 ÷ ...

4/7×3/5+3/7÷5/3 =4/7×3/5+3/7×3/5 =(4/7+3/7)×3/5 =1×3/5 =3/5

2/3×1/4×3 =(2/3×3)×1/4 =2×1/4 =1/2 你好,本题已解答,如果满意 请点右下角“采纳答案”。

4分之3加7分之5括号乘5分之77怎样简便计算 (3/4+5/7)x77/5 =3/4x77/5+5/7x77/5 =11又11/20+11 =22又11/20

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=4/7X7X3/5 =4X3/5 =12/5 =2又2/5

解:1/2×1/3+1/3×1/4+1/4×1/5+1/5×1/6+......1/10×1/11 =1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+.......+1/10-1/11 =1/2-1/11 =9/22

简便计算 3又3/8×4+5又5/8×5又3/5 =3又3/8×4+5又5/8×4+5又3/8×1又3/5 =(3又3/8+5又5/8)×4+43/8×8/5 =9×4+43/5 =36+8.6 =44.6

51又3分之2×5分之2-7分之4 =(51+2/3)x2/5-4/7 =(50+1+2/3)x2/5-4/7 =20+2/5+4/15-4/7 =20+6/15+4/15-4/7 =20+2/3-4/7 =20+14/21-12/21 =20+2/21 =420/21+2/21 =422/21

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