7×5 = | ÷ = | + = |
× = | 1+ -0.4= | +0.75= |
+ = | ÷9= | + = |
×0.4= | 4÷ = | × = |
(2+ )×(1+ )= | ×9= | + = |
4÷ = | +1 = | 5-(2+ )= |
4.5÷ = | 39× = | 11×(10+ )= |
11+(3+ )= | × = | 8× = |
12-(6+ )= | 1÷(1+ )= | 20÷20%= |
| 1÷0.01= | 1.12= | 9.9÷(1+ )= |
81÷ = | 1.65-0÷1.65= | × × = |
| 5-1.4-1.6= | (0.18+0.9)÷9= | 8× ×1.25= |
| 1.25×0.16×8= | +7.3÷10%= | +9-0.2= |
| 5.08-0.74-1.26= | ×0.2= | 1-.0375÷ = |
8÷0.5+ ×(1+ )= | ( + )×24= | 10(3+ )÷(3+ )= |
(3+ +5+ +2+ )-(5+ )= | + ÷ + = | 1- - = |
3-(2+ )+(2+ )= | - ÷3= | 0×(3+ )+(1+ )= |
+ - + = | 0.125×64×0.125= | ×8+8× = |
+ ×16= | - + = |
解:7×5 =37![]() | ÷ =![]() | + =![]() |
× =![]() | 1+ -0.4=0.1 | +0.75=1 |
+ =![]() | ÷9=![]() | + =![]() |
×0.4=![]() | 4÷ =![]() | × =![]() |
(2+ )×(1+ )=3 | ×9=6 | + =![]() |
4÷ =12 | +1 =1![]() | 5-(2+ )=2![]() |
4.5÷ =18 | 39× =12 | 11×(10+ )=111 |
11+(3+ )14 = | × =![]() | 8× =6 |
12-(6+ )=5![]() | 1÷(1+ )=![]() | 20÷20%=100 |
| 1÷0.01=100 | 1.12=1.21 | 9.9÷(1+ )=5.5 |
81÷ =![]() | 1.65-0÷1.65=1.65 | × × =![]() |
| 5-1.4-1.6=2 | (0.18+0.9)÷9=0.12 | 8× ×1.25=3 |
| 1.25×0.16×8=1.6 | +7.3÷10%=1.155 | +9-0.2=9.425 |
| 5.08-0.74-1.26=3.08 | ×0.2=![]() | 1-0.375÷ =0 |
8÷0.5+ ×(1+ )=16![]() | ( + )×24=22 | 10(3+ )÷(3+ )=10 |
(3+ +5+ +2+ )-(5+ )=6 | + ÷ + =![]() | 1- - =![]() |
3-(2+ )+(2+ )=3 | - ÷3=![]() | 0×(3+ )+(1+ )=1![]() |
+ - + =![]() | 0.125×64×0.125=1 | ×8+8× =12 |
+ ×16=12![]() | - + =![]() |
分析:根据整数、分数、小数的加减乘除法的计算法则进行解答即可.
点评:考查了整数、分数、小数的加减乘除法的口算能力,注意认真计算即可.
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