数学简便计算 6题
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数学简便计算 6题
![](http://img.wesiedu.com/upload/a/e3/ae3443046731f0a43d46eb3e88e74c11.jpg)
![](http://img.wesiedu.com/upload/a/e3/ae3443046731f0a43d46eb3e88e74c11.jpg)
![数学简便计算 6题](/uploads/image/z/17427108-12-8.jpg?t=%E6%95%B0%E5%AD%A6%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97+6%E9%A2%98)
3/5 x4 ÷2/5
=4x3/5 ÷2/5
=4x3÷2
=6
(1/4+2/3)÷ 11/24
=(1/4+2/3)x24/11
=(1/4)x24/11+(2/3)x24/11
=6/11+16/11
=22/11
=2
(1/4)÷(1/5)-3/4
=(1/4)x5-3/4
=5/4-3/4
=2/4
=1/2
(4/3)x7/8-(1/3)x7/8
=(4/3-1/3)x7/8
=7/8
(5/7)÷(3/4)÷(5/7)
=(5/7)÷(5/7)÷(3/4)
=1÷(3/4)
=4/3
(7/16+13/24)x48
=7x3+13x2
=21+26
=47
=4x3/5 ÷2/5
=4x3÷2
=6
(1/4+2/3)÷ 11/24
=(1/4+2/3)x24/11
=(1/4)x24/11+(2/3)x24/11
=6/11+16/11
=22/11
=2
(1/4)÷(1/5)-3/4
=(1/4)x5-3/4
=5/4-3/4
=2/4
=1/2
(4/3)x7/8-(1/3)x7/8
=(4/3-1/3)x7/8
=7/8
(5/7)÷(3/4)÷(5/7)
=(5/7)÷(5/7)÷(3/4)
=1÷(3/4)
=4/3
(7/16+13/24)x48
=7x3+13x2
=21+26
=47