(1)60.28+0.72×4.3
(2)6.37﹣0.37×16
(3)3.8×99
(4)2.5×9×0.4×1.1
(5)2.6×(10.6﹣9.72)
(6)1.25×888.
脱式计算(能简算的写出主要简算过程).
①40.5﹣2.6×7.8
②80.52÷6.6+2.48
③2.5×3.6+6.4×2.5
④3.2×(3.9÷0.26+1.5)
计算,能简算的要简算.
3.2×1.8+2.54
198×0.51
1.25×32×2.5
0.8×72.4×12.5
5.2×10.1
2.5×3.7+6.3×2.5.
脱式计算,能简便的要用简便方法计算.
0.36×1.5×0.4 0.05×3.2×40 26×15.7+15.7×74
3.78×0.5﹣0.65 3.98+13.4×0.24 (9.37+9.37+9.37+9.37)×2.5.
能简算的要用简便方法计算
24.1×1.5+7.59×15 (3.7+17×0.4)÷3.5 75.36÷12﹣4.32×0.5
8.8×0.125 7.6×5.3+3.7×7.6 6.6÷(0.68+0.42)
脱式计算.(能简算的要简算)
(1)1.25×8.37×0.8 (2)(9﹣2.35)×0.64 (3)0.25×32×12.5
(4)0.15×1999+0.15 (5)0.37×1.4﹣0.4×0.37 (6)8.7×9.9.
递等式计算(能简算的要简算).
(1)191.3﹣47.2+96.9
(2)9.63+13.78﹣3.63
(3)50.03﹣6.5﹣0.5
(4)25×125×16
(5)2506﹣506×3+27
(6)99×63+63.
计算下列各题,能简算的要简算.
2.56÷0.04÷0.5 1.92÷0.12﹣2. 37.3﹣1.5÷0.24 7.52×0.65÷0.752.
用递等式计算,能简算的就简算.
(1)(0.1﹣0.09)×100
(2)3.12÷0.025×1.5
(3)1.2×2.5×4×0.2×5
(4)0.25×0.125×32
(5)1.25+1.25+1.25×8
(6)70.6﹣35×1.7+13.5÷5.
看看谁的办法妙!
4.8+2.71+5.2+7.29 8.47﹣3.56﹣1.44 27.6﹣(7.6+3.25)
79.86+99.9 159﹣(62.39+58) 72.8+(72.8﹣8.25)
计算下面各题.
0.24+3.6×5 1.82+3.89+0.18
20﹣1.32﹣2.68 (4+0.4)×0.25
0.25×7×4 0.48×0.7+0.52×0.7
28.6×101﹣28.6 0.25×1.25×32.
用递等式计算,能简便计算的要简算.
(1)2.01×1.53÷0.18
(2)5.86×99.4+5.86×0.6
(3)2.2×2.2+2.2×7.8
(4)0.25×(4.83﹣0.85)
(5)(12.5+1.25+0.125)×8
(6)(148.4﹣90.85)÷2.5.
试题篮
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