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.
1.5×1.3×4 2.7+3.1+2.9+3.2 25﹣4.9﹣6.1
3.5×4.8+2.2×2.4 131+132+130+129 (13+5.2)÷1.3.
计算下面各题,能简便计算就简便计算.
429+31.1+2.04 100﹣27.2﹣42.8 9﹣(3.02+1.25) 1.8﹣1.57+0.2.
脱式计算.(能简便的要用简便方法算)
4.2+7.64+5.8+2.36 14.28﹣2.63﹣7.37 6.8+5.26+3.74+3.2
8.2×101﹣8.2 (520+480)÷50×4 400﹣(1300÷65+35)
能简算的要简便.
0.25×9.87×4 36.7×2.1+10.8 8.45﹣0.45×0.1
0.73×102 7.8×5.6+2.3×4.4 76.3×27﹣76.3×17.
28×6.5﹣9.3
0.2×8.2×50
0.68×99+0.68
25×32×1.25
2.4+7.6×4.3
(4.85+1.15)×0.37.
试题篮
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