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7分之5*11分之6*7/10 3/4*(9/10-5/6) (1/5+1/9)*45 23/25*1/4+1/4*2/

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/04/27 14:29:19
7分之5*11分之6*7/10 3/4*(9/10-5/6) (1/5+1/9)*45 23/25*1/4+1/4*2/25 101*3/10-3/10
4/2/3*7/12 8/9/4/27+3/7 8/13/3/7+5/13/3/7 7/9*5/6/14/27 1/2*2/5+9/10/9/20 5/8*1/4/5/8*1/4 (1/2+2/3+3/4)*36
你好:

7分之5*11分之6*7/10
=5/7×6/11×7/10
=3/11

3/4*(9/10-5/6)
=3/4×1/15
=1/20

(1/5+1/9)*45
=1/5×45+1/9×45
=9+5
=14

23/25*1/4+1/4*2/25
=1/4×(23/25+2/25)
=1/4×1
=1/4

101*3/10-3/10
=3/10×(101-1)
=3/10×100
=30