计算下面各题,能简算的要简算.
0.125×32×2.5= 0.8×6.3﹣0.8×3.8=
504÷3.2×2.08= (20﹣0.8×9)×5.7=
4.5×8= 3.28﹣0.8= 0.8÷5= 0.84÷0.7=
1.25×0.8= 468÷4.68=2 5×4÷2.5×4= 2.8×0.1+2.8÷0.1=
脱式计算:(能简算的要简算)
2.4×1.5+3.6÷1.5 7.38﹣5.14+3.62﹣2.86 0.12×1.8+8.2×0.12
5.4÷[0.51÷(1.2﹣1.03)] [(8.1﹣5.6)×0.9﹣1.05]÷0.04.
口算.
1.8×0.5= 49×0.2= 10÷2.5= 0.83÷0.1= 2.4﹣0.8=
0.44÷2.2= 0.6×0.5= 0.4+0.15= 1.25×8= 0.56÷8=
12.5×18.5×0.8= 5.38+0.45+1.55= 0.42÷0.7÷0.6= 0.74×0.6+0.74×0.4=
怎样算简便就怎样算.
4.32+5.43+6.68 17.17﹣6.8﹣3.2 5.29×9+5.29
16.8×10.1 2.74×9.5+5×0.274 0.36+9.6÷3.2.
怎样算简便就怎样算.
①2.43×99+2.43
②6.8+1.25×6.8×8
③(8.14﹣3.75)÷2.5÷4
④4.58+2.39+(5.42+7.61)
⑤6.3÷2.8
⑥26.7﹣0.5×0.5﹣0.75.
下面各题,你有简便的方法解决吗?
①3.75×25+6.25×25 ②25.46﹣8.23﹣1.76 ③2.9+7.1×10 ④1.25×32×0.25.
怎样算简便就怎样算.(12%)
17.17﹣6.8﹣3.2﹣6.17 5.4×[(1.3+2.15)÷0.2] 8.4÷0.6+8.4÷0.4
16.8×10.1 10.9﹣0.9÷0.2+1.8 1.25×3.2×0.25.
用简便方法计算.
6.3+6.44+2.7+3.56
15.35﹣(5.35+7.2)
600÷12
67×101
125×16×45
8×(125×25)
直接写出得数.
0.89﹣0.29= 125×8= 1﹣0.06= 24×5= 2.5+8.5=
4×25= 5.3+4.7= 99.2+0.08= 87.3﹣4.4﹣5.6= 36×7+7×64=
口算.
0.36+0.14= 7.2﹣5.8= 1﹣0.4= 0.01+0.1= 4.8+3.12=
1﹣0.08= 102×5= 20﹣20÷5= 3.9+4.4+5.1= 4.7﹣0.47﹣1.43=
25×17×4= 120÷5÷2=
试题篮
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