简便计算 (5/6-5/12+3/8)÷1/24 6/7x4/21+6/7÷21/17 ( 35+7/8)x1/7

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 01:27:50
简便计算 (5/6-5/12+3/8)÷1/24 6/7x4/21+6/7÷21/17 ( 35+7/8)x1/7

简便计算 (5/6-5/12+3/8)÷1/24 6/7x4/21+6/7÷21/17 ( 35+7/8)x1/7
简便计算 (5/6-5/12+3/8)÷1/24 6/7x4/21+6/7÷21/17 ( 35+7/8)x1/7

简便计算 (5/6-5/12+3/8)÷1/24 6/7x4/21+6/7÷21/17 ( 35+7/8)x1/7
(5/6-5/12+3/8)÷1/24
=(5/6*24-5/12*24+3/8*24
=20-10+9=19
6/7x4/21+6/7÷21/17
=6/7*(4/21+17/21)
=6/7
( 35+7/8)x1/7
=35*1/7+7/8*1/7
=5+1/8
=41/8

(5/6-5/12+3/8)÷1/24
=(5/6-5/12+3/8)x24
=5/6x24-5/12x24+3/8x24
=20-10+9
=19

6/7x4/21+6/7÷21/17
=6/7x4/21+6/7x17/21
=6/7x(4/21+17/21)
=6/7x1
=6/7

( 35+7/8)x1/7
=35x1/7+7/8x1/7
=5+1/8
=5又1/8

(5/6-5/12+3/8)÷1/24
=(5/6-5/12+3/8)*24
=5/6*24-5/12*24+3/8*24
=20-10+9
=19
6/7x4/21+6/7÷21/17
=6/7X4/21+6/7X17/21
=6/7X(4/21+17/21)
=6/7X1
=6/7
( 35+7/8)x1/7
=35X1/7+7/8X1/7
=5+1/8
=41/8=5又1/8