用简便方法计算.(写出简算过程)
(1)(+﹣)÷
(2)×100
(3)0.125×0.25×64.
直接写得数.
10﹣2.65= 0.9×0.08= 6+14.4= 24÷0.04=
÷3= 2﹣(+)= 187.7×11﹣187.7= (﹣)×12=
直接写出得数.
127+38= 9﹣0.8= 0.38+9.02= ×= 100÷99=
6.6÷0.3= 1÷7+= ﹣= 0.5×10= :3=
用竖式计算.
9.73+0.27= |
6﹣1.55= |
3.05×0.66= |
22.5÷0.25= |
计算,能简算的要简算
① 588÷21﹣1.6×3.5 ② 25×125×16 ③ 3.6﹣2.8+7.4﹣6.2
④8.6÷+1.4×2.7 ⑤ 4÷﹣÷4 ⑥ ÷[(+)÷].
(济南)计算
(1)3.14×67+8.2×31.4﹣90×0.314
(2)12.65÷12.5÷0.8
(3)(32×0.63×0.95)÷(1.6×21×1.9)
简便计算.
①7.3×99
②2.5×32×1.25
③38.75﹣(8.75+24.5)
(徐州)直接写出得数.
132﹣19= ;1﹣0.09= ;0×0.54= ;2.68+9﹣2.68=;
2÷0.2= ;25×8.5×4=; = ;=;
= ;= ;=; 4.8×11﹣4.8=
(苏州)计算下面各题,能简算的要简算.
①630÷18×24 ②0.7+3.9+4.3+6.1 ③16×+4×
④(7.5﹣7.5×0.6)÷4 ⑤(+÷3)× ⑥.
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) |
列竖式计算
3.56+7.5= |
3﹣2.08= |
2.25×48= |
44÷50= |
5.06×1.3= |
0.72÷1.5= |
35.5×180= |
50.4÷0.48= |
40.5÷0.18= |
1.8×2.4- 1.8×0.24= 180×2.4=
180×0.24= 0.18×0.24= 0.18×0.24=
试题篮
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