能简便的要简便
20.4﹣0.8×0.4﹣0.68 (227÷25﹣4.68)×0.5
6.4×9.9+0.64 5.37×2.5+7.5×5.37.
下面各题能简便的要简便.
15﹣8.13﹣1.87 5.14+3.225﹣6.302 3.95+5.36﹣1.95
13.67﹣(5.45+3.67) 4.26+5.48﹣1.26+4.52 14.67+25.91+15.33+4.09.
递等式计算:(能简算的用简便方法计算)
(1)(5.81﹣2.09)×3.5
(2)2.5×8×0.5+40
(3)3.865+1.92+3.135+2.08
(4)5.8×6.1+3.2×6.1+6.1
(5)16÷0.25÷0.4
(6)(750﹣366)÷48×[25÷(210﹣209)].
递等式计算,能简算的要简算:
9.7﹣22.78÷3.4 1.05÷0.7+18.9 0.4×5÷0.4×5
21÷0.25÷0.4 0.125×32×0.25 82.2×9.9.
脱式计算(能简算的要简算,没简算的不给分).
1.6×55.4﹣55.4×0.6﹣55.4
17.68÷5.2+2.7×1.5
4.8×0.25.
计算,能简算的要简算.
3.25×0.45+6.75×0.45 7.5×102 5.64÷0.125÷8
26.9×0.48÷2.69 5.4×2.5×0.7 39.5×99+39.5.
怎样简便怎样算.
7.28﹣(0.8+3.28) 3.15+1.83+6.85+2.17 13.86﹣2.99
13.92﹣(3.92﹣2.74) 2.72﹣3.98+5.28﹣2.02 0.27﹣4.9+4.83+2.9.
计算下面各题,能简算的要简算.
10﹣3.57﹣5.43 34.82﹣(3.82+15.2) 5.86﹣0.78+0.22 63.7﹣2.36﹣13.7﹣5.64.
试题篮
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