脱式计算,能简便的用简便方法计算(要过程)(1)7488÷36*16(2)5/11+5/8+6/11+3/8(3)(5.4-2.4÷3)*0.5 (4)1÷(3/8+1/12)÷9/22(5)4/9*【0.75-(7/16-0.25)】(6)1985/2012*2013
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![脱式计算,能简便的用简便方法计算(要过程)(1)7488÷36*16(2)5/11+5/8+6/11+3/8(3)(5.4-2.4÷3)*0.5 (4)1÷(3/8+1/12)÷9/22(5)4/9*【0.75-(7/16-0.25)】(6)1985/2012*2013](/uploads/image/z/12258896-32-6.jpg?t=%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97%2C%E8%83%BD%E7%AE%80%E4%BE%BF%E7%9A%84%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%EF%BC%88%E8%A6%81%E8%BF%87%E7%A8%8B%EF%BC%89%EF%BC%881%EF%BC%897488%C3%B736%2A16%EF%BC%882%EF%BC%895%2F11%2B5%2F8%2B6%2F11%2B3%2F8%EF%BC%883%EF%BC%89%EF%BC%885.4-2.4%C3%B73%29%2A0.5+%284%291%C3%B7%EF%BC%883%2F8%2B1%2F12%EF%BC%89%C3%B79%2F22%EF%BC%885%EF%BC%894%2F9%2A%E3%80%900.75-%EF%BC%887%2F16-0.25%EF%BC%89%E3%80%91%EF%BC%886%EF%BC%891985%2F2012%2A2013)
脱式计算,能简便的用简便方法计算(要过程)(1)7488÷36*16(2)5/11+5/8+6/11+3/8(3)(5.4-2.4÷3)*0.5 (4)1÷(3/8+1/12)÷9/22(5)4/9*【0.75-(7/16-0.25)】(6)1985/2012*2013
脱式计算,能简便的用简便方法计算(要过程)
(1)7488÷36*16(2)5/11+5/8+6/11+3/8(3)(5.4-2.4÷3)*0.5
(4)1÷(3/8+1/12)÷9/22(5)4/9*【0.75-(7/16-0.25)】(6)1985/2012*2013
脱式计算,能简便的用简便方法计算(要过程)(1)7488÷36*16(2)5/11+5/8+6/11+3/8(3)(5.4-2.4÷3)*0.5 (4)1÷(3/8+1/12)÷9/22(5)4/9*【0.75-(7/16-0.25)】(6)1985/2012*2013
(1)
7488÷36*16
=208×16
=200×16+8×16
=3200+128
=3328
(2)
5/11+5/8+6/11+3/8
=(5/11+6/11)+(5/8+3/8)
=1+1
=2
(3)
(5.4-2.4÷3)*0.5
=(5.4-0.8)×0.5
=4.6×0.5
=2.3
(4)
1÷(3/8+1/12)÷9/22
=1÷11/24÷9/22
=1×24/11×22/9
=16/3
(5)
4/9*【0.75-(7/16-0.25)】
=4/9×【0.75-7/16+0.25】
=4/9×【1-7/16】
=4/9×9/16
=1/4
(6)
1985/2012*2013
=1985/2012×(2012+1)
=1985/2012×2012+1985/2012×1
=1985+1985/2012
=1985又1985/2012