计算.
5400﹣2940÷28×27; (20.2×0.4+7.88)÷4.2;
()÷+; 10÷[﹣(÷+)].
(1)1-0.47= (2)6.4-4=
(3)0.25×12= (4)
(5) (6)
(7)0.88÷2.2= (8)0.08×0.5=
(9) (10)72.1×1000=
计算下面各题(能简算的要简算)
7.05×23.7+7.05×76.3 0.125×3.2×2.5 7.8-1.9+8.2-8.1
2.05÷0.82﹢33.6 72.8÷5.6+14.9 5.4×12.3+5.4×7.7
42×101-42 3.6÷1.5÷2 33.4+0.12×50
6.8×0.56+0.44×6.8 44×2.5×0.9 7.2÷0.5÷0.2
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=
脱式计算(怎样简便就怎样算)
(+)×3.6 3.7×+1.3÷ 4﹣﹣
2﹣÷﹣ ×+× 16÷(1+)
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 ÷[(+)÷].
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) |
用竖式计算.
2.08×7.5
32.5÷2.5
78.6÷11(商用循环小数表示)
直接写出得数.
402﹣139= 0.48÷0.3= 2.5×40= 3.7×1000=
×(15+)= 684+198= 12×1%= ×=
7÷19= ×9÷=
试题篮
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