如题所述
11/10减3/4减1/4加19/10。用简便方法计算。
11/10减3/4减1/4加19/10
= (11/10加19/10)减(3/4加1/4)
= 3 - 1
= 2
19/24减(1/3加11/24)简便运算
简便运算
19/24-(1/3+11/24)
=19/24-11/24-1/3
=1/3-1/3
=0
(3/5加11/10减去4/25)X25用简便方法算
(3/5加11/10减去4/25)X25
=3/5X25+11/10X25-4/25X25
=15+55/2-4
=11+55/2
=37又1/2
21/8减3/11加3/8减19/11脱式简便计算
21/8减3/11加3/8减19/11
= 21/8 - 3/11 + 3/8 - 19/11
= 21/8 + 3/8 -3/11 - 19/11
= 24/8 - 22/11
= 3 - 2
= 1
用简便方法计算六年级3/4×11/12 1/12÷4/3
用简便方法计算六年级3/4×11/12 1/12÷4/3
3/4×11/12 1/12÷4/3
=3/4*11/12+1/12*3/4
=3/4*(11/12+1/12)
=3/4*1
=3/4
3/7加上1/4减1/14用简便方法怎么计算
3/7加上1/4减1/14
=(3/7-1/14)+1/4
=(6/14-1/14)+1/4
=5/14+1/4
=10/28+7/28
=17/28
=28分之17
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24乘以1/4加3/8减1/6的差,用简便方法计算
解:原式=24x(1/4+3/8-1/6)
=24x1/4+24x3/8-24x1/6
=6+9-4
=15-4
=11
分析:主要考察分配律的运用。
用简便方法计算3/2减1/6加4/9的和乘18,
32
解析:
(3/2-1/6+4/9)×18
=(3/2)×18-(1/6)×18+(4/9)×18
=27-3+8
=24+8
=32
用简便方法计算: (3/4+1/4X2/3)÷11/6
(3/4+1/4X2/3)÷11/6
=3/4*6/11+1/6*6/11
=9/22+2/22
=11/22
=1/2
11/10减1/4减3/4加9/10,列式
11/10 - 1/4 - 3/4 + 9/10
=11/10+ 9/10 - 1/4 - 3/4
=20/10 - 4/4
=2-1
=1