作业帮23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36 23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36
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23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36 23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36
23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36
23*0.875+23*0.125+87.5
（1/2+1/3+1/4+1/6）*36
23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36 23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36
23*0.875+23*0.125+87.5
= 23×（0.875 + 0.125）+87.5
= 23× 1 + 87.5
= 23+ 87.5
= 110.5
（1/2+1/3+1/4+1/6）*36
=36× 1/2 + 36× 1/3+ 36× 1/4 +36× 1/6
= 18 + 12 + 9 + 6
= 45
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23*0.875+23*0.125+87.5简算
23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36 23*0.875+23*0.125+87.5 （1/2+1/3+1/4+1/6）*36
87×23－23+14×23 简便方法
87分之23乘86简算
23
23
23,
23
23~
23
23,
23
23
36又19/23+63又4/23*0.125+0.5*63又4/23+63又4/23*3/8
36 19/23+63 4/23×0.125+1/2×63 4/23+63 4/23×3/8
137乘87加87乘23减60乘87简算
0.125+0.38+0.875(简便运算)
0.125+5.5-(1.5-0.875)=