计算
(1)8.01+99×8.01
(2)125×(8+0.8+0.08+0.008)
(3)++++
(4)(0.4+)÷(﹣0.75)×0.5
(5)989898×999999÷10101÷111111.
计算,能用简算的要简算.
0.85×101
5.29÷2.3﹣0.1×01
0.28÷35
8﹣4.68÷4.5×(0.25+0.5)
2.5×1.25×32
25.7×3.29+6.71×25.7.
计算下面各题(能简算的要简算).
①4×0.8×2.5×12.5 ②÷[1﹣(+)] ③(2.8+3.85÷3.5)×4.6
④6.5×1.83+0.17×6.5 ⑤(+)×8+ ⑥÷[×(0.4+)].
0.89×0.48+0.89×0.52 0.25×13.7×0.4 4.2×101
3.6×99 2.5×32×1.25 0.125×88
56.5×99+56.5 (1.25﹣0.125)×8 45÷0.09÷0.5
17.8÷(1.78×4)
计算下列各题.(能简算的要简算).
91÷2.6÷0.05= 6.3×3.7+6.3×6.3= (3.7+1.7×0.4)÷2.5=
7.28+3.2÷2.5= 0.74+0.9×7.4= 7.8÷0.125÷0.8=
计算下面各题,能用简便算法的用简便算法
3.045+2.7×6.9= 18.94﹣2.5×4=
3.65×2.8+3.65×7.2= 13.54×102﹣2×13.54=
计算下面各题,怎样简便就怎样算.
(1)45.36÷7.2﹣2.5×0.2 (2)5.12﹣(4.65﹣4.88)
(3)2.7÷4+6.3×0.5 (4)9.43×1.1
(5)0.25×12.5×3.2 (6)30.8×0.35+6.5×3.08.
计算:
7.5×46.7+52.3×7.5+7.5; (++﹣)×24; (2.5﹣2.5×0.6)÷0.4;
﹣(+2.4×)÷; 1.2+[2÷(2﹣2.4×)]; =.
脱式计算.
①2.7+3.1+2.9+3.2 ②0.44×8.3+8.3×0.56
③12.53﹣1.35×2﹣9.3 ④25×32×0.5.
能简便的要简便:
(1)[10﹣(8.4﹣5)]÷0.5
(2)14.2×0.7+0.3×14.2
(3)5.7×(3.6+6.4)
(4)7.2÷4.5÷2
(5)0.8×9×200.6+7×0.4×200.6.
脱式计算,能简便的要用简算.
13.25﹣0.8+1.75﹣1.2;
2.5×99+2.5;
10.36+4.8﹣16.5÷5;
12.5×2.4.
试题篮
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