脱式计算,能简算的要简算.
0.25×[(2.8+4.4)÷1.2] 3.7×9.16+6.3×9.16
[32﹣(1.95﹣1.95)]÷1.6 5.7×10.1.
计算,能简算的要简算.
18×5.46+1.8×4.54= ; 0.32×0.25×12.5= ; 21÷0.25÷0.4= ;
02×9.9+0.1= ; 0.25×4.78×4= ; 3.2×10.2= .
用递等式计算,能简算的要简算.
(1)100.18﹣9.6+18.53
(2)0.963+23.89﹣0.063
(3)2.5×0.3÷2.5×0.3
(4)2.8×10.1
(5)51×1.2﹣1.2
(6)0.36×(15.23﹣9.63)
计算下面各题.(能简算的要简算,并写出主要的计算过程)
6.7×7.3+6.7×1.7+6.7 1.25×0.25×32 21.36÷0.8﹣12.9
25.6﹣25.6×0.8 7.65×101﹣7.65 3.73÷2.5÷4.
选择最适合的方法,写出递等式计算的过程
39.6﹣6.53+3.47. 0.0125×32×0.25. [90﹣(8.25÷0.6+1.25)]×0.01.
38×2.5+76+38×5.5. 3.6×31.4+43.9×6.4. 5.7×5.7+5.7×4.2+5.7×0.1.
计算,能简算的要简算
7.26+3.2÷2.5 14.6﹣4.6×2.8 0.8+0.8+…+0.8+15×0.2 15个0.8
14.5×102 4.05÷0.5﹣1.14 9.99×99+9.99.
递等式计算,能简算的用简便方法算:
8.46﹣8.46÷4+4.985 43.56÷12.5 6.4×3.28+4.6×3.28﹣3.28 99.9×10.1.
下面各题怎样简便就怎样计算
(1)12.64﹣(3.96+4.64)
(2)36.26﹣4.78+3.74
(3)7.34+7.57+12.66+6.43
(4)78.65﹣23.12﹣14.88.
下面各题,能简便算的要简便
(100+8)×0.125 4.8×102
5.8×8.5+5.8×0.5+5.8 (1.5+4.6)×(4.6﹣1.5)
混合运算(能简便的一定要简便)(18%)
4.58+3.38+(5.48+6.62)
0.25×32×0.125
73.75﹣(4.3+8.75)
4.2×0.75+0.75×5.8
0.98×99+0.98
6.38÷0.05÷20.
神机妙算细又巧!
14.64+3.7×2.8
72.5×0.4﹣81.2÷56
13.8×0.45+138×0.055
(1.5÷4)÷(0.15÷4)
(1.25+1.25+1.25+1.25)×0.8×0.25.
用简便方法计算.
51.27﹣8.66﹣1.34 88×125 28.4﹣3.96﹣1.04+4.6
64×64+36×64 58×99 35×4×25×20.
试题篮
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