急需简便运算题45道
急需简便运算题45道
急需简便运算题45道
急需简便运算题45道
(a+b)+c=a+(b+c)
1.2.73+0.89+1.27
2.4.37+0.28+1.63+5.72
a-b-c=a-(b+c)
1.10-0.432-2.568
2.9.3-5.26-2.74
3.13.4-(3.4+5.2)
4.14.9-(5.2+4.9)
5.18.32-5.47-4.32
6.17.29-5.28-6.29
(a×b)×c=a×(b×c)
1.25×6.8×0.04
2.0.25×32×0.125
3.6.4×1.25×12.5
c×(a+b)=ca+cb
1.0.45×201
2.0.58×10.1
3.50.2×99
4.4.7×9.9
5.3.28×5.7+6.72×5.7
6.2.1×99+2.1
7.1.7×9.9+0.17
8.23×0.1+2.3×9.9
1.0.18+4.26-0.18+4.26☆
2.0.58×1.3÷0.58×1.3☆
3.7.3÷4+2.7×0.25☆
4.3.75×0.5-2.75÷2☆
5.5.26×0.125+2.74÷8☆
a÷b÷c=a÷(b×c)
6.6.3÷1.8
7.4.2÷3.5
8.9.5÷(1.9×8)
9.12.8÷(0.4×1.6)
10.930÷0.6÷5
11.63.4÷2.5÷0.4
12.(7.7+1.54)÷0.7☆
13.(11.7+9.9)÷0.9☆
简便计算(加减法)
6.9+4.8+3.1
15.89+(6.75-5.89)
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
13.75-(3.75+6.48)
47.8-7.45+2.55
66.86-8.66-1.34
乘除法:0.25×16.2×4
0.25×32×0.125
2.5×(4+0.4)
(1.25-0.125)×8
4.8×100.1
4.2×99
56.5×9.9+56.5
5.4×11-5.4
3.83×4.56+3.83×5.44
7.09×10.8-0.8×7.09
3.65×4.7-36.5×0.37
13.7×0.25-3.7÷4
10.7×16.1-1.1×10.7+10.7×5
4.9÷1.4
3.9÷(1.3×5)
63.4÷2.5÷0.4
(7.7+1.4)÷0.7
18÷(2+9)