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(1.5+1)÷3.75-2/3
原式=2.5÷3.75-2/3
=5/2×4/15-2/3
=2/3-2/3
= 0
(7/12+3/8-23/24)×24
32×125%×0.25
3.6×[2÷(4/5-0.6)]
18.1-5.7-4.3+1.9
5/9×2÷5/9×2
山东省聊城市乘除法运算
山东省聊城市加减法运算
2.25×3/5+2.75÷+60%
(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)
7-6×5/6+1/2
3/4÷[6/7×(3/4-1/6)]
广东省深圳市盐田区混合运算
17÷[2-(2/3-2/7)]
6.3÷0.21×(4-1.2)
64×(3.32-1.82)
4/5-1/5÷3/5
6÷[(5/8-1/4)÷1/4]
江苏省盐城市东台市乘除法运算
51×9.9+5.1
999999999×888888888÷666666666
(123456+234561+345612+456123+561234+612345)÷6
(1+1/2)×(1-1/2)×(1+1/3)×(1-1/3)×(1+1/4)×(1-1/4)×⋯×(1+1/99)×(1-1/99)
甲、乙两个数，甲数除以乙数商3余12，乙数的10倍除以甲数商3余45，则乙数是________。
1/(4×5)+1/(5×6)+1/(6×7)+⋯+1/(39×40)
