脱式计算
54÷(3.94+6.86)
0.175÷0.25÷4
0.25×32×1.25.
竖式计算.
7.082﹣5.985
4.58×1.05
★40.8÷0.3
8.07×0.32
24.4÷7.4.
简便计算
0.49×12.5×0.8; 5.61﹣5.61÷1.5; 0.45×78.2+20.8×0.45+0.45.
简便计算.
①31.7﹣0.5×0.7﹣1.65
②35.72﹣4.9﹣(5.72+5.1)
③111﹣3.67×2.8﹣3.67×7.2
④12.5×6.3+27×1.25+0.125÷0.01.
口算:
x+0.4x= |
4.8÷0.6= |
1÷0.2= |
5.2×25×0.2= |
0.8×0.8= |
6.23﹣0.2= |
0.7x×5= |
10﹣5.2﹣3.1= |
用竖式计算
19﹣0.07=
0.63×3.6=
9.45+0.65=
5.15÷86≈(保留两位小数)
直接写出得数.
0.5×1.4= |
2.14﹣0.9= |
0.27÷0.06= |
0.99+1.8= |
2.15﹣0.09= |
64.32÷16= |
500×0.02= |
8.02﹣7.4= |
脱式计算(怎样简便就怎样算)
(+)×3.6 3.7×+1.3÷ 4﹣﹣
2﹣÷﹣ ×+× 16÷(1+)
怎样算简便就怎样算.
6.24÷4+3.76×0.25 |
16.2×9.9+1.62 |
7.75×[20÷(3.24﹣3.04)] |
788÷12.5÷0.8 |
276.4×11﹣276.4 |
25×(4.7+4.7+4.7+4.7) |
用竖式计算.
9.73+0.27= |
6﹣1.55= |
3.05×0.66= |
22.5÷0.25= |
计算下面各题,能简便计算的要简便计算.
5.27﹣1.98﹣0.02 |
3.2×5.7+6.8×5.7 |
2.5×6.8×0.4 |
5.6﹣36÷30 |
0.72+9.6÷3.2 |
7.75×[20÷(3.24﹣3.04)]. |
计算题.(能简便的要简便)
①432×109﹣9×432 |
②99×172 |
③9×72×125 |
④463﹣187+137﹣113 |
⑤9.73+0.483+4.83+12.4 |
⑥8.32+5.763﹣2.808﹣1.78 |
⑦384×[150÷(50﹣25)] |
⑧﹣(用小数计算) |
试题篮
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