2.5×4+25×0.6简便计算
2.5×4+25×0.6简便计算
解:
2.5×4+25×0.6
=25x0.4+25x0.6
=25x(0.4+0.6)
=25x1
=25
4÷4+25÷4+3÷4简便计算 要算式
4÷4+25÷4+3÷4
=(4+25+3)÷4
=32÷4
=8
简便计算2.5×1.4+2.5×0.6
2.5×1.4+2.5×0.6
=2.5x(1.4+0.6)
=2.5x2
=5
4.8×2.5×0.6的简便计算
4.8X2.5X0.6
=(4X2.5)X1.2X0.6
=10X0.72
=7.2
4.5+1.6+0.6-2.5简便计算
4.5+1.6+0.6-2.5
=(4.5-2.5)+1.6+0.6
=2+1.6+0.6
=3.6+0.6
=4.2
4.8÷0.6-2.5×3简便计算
4.8÷0.6-2.5×3简便计算
4.8÷0.6-2.5×3简
=8-7.5
=0.5
直接计算
23*2*4+25*4*2+27*1*8+25*8*1怎么简便计算
23*2*4+25*4*2+27*1*8+25*8*1怎么简便计算
=23x8+25x8+27x8+28x8
=(23+25+27+25)x8
=100x8
=800
求简便计算法 (2.5-2.5*0.6)÷0.4
(2.5-2.5*0.6)÷0.4
=2.5(1-0.6)÷0.4
=2.5*0.4÷0.4
=2.5*(0.4÷0.4)
=2.5*1
=2.5
23*2*4+25*4*2+27*1*8+25*8*1的简便计算法
23*2*4+25*4*2+27*1*8+25*8*1
=23*8+25*8+27*8+25*8
=(23+25+27+25)*8
=100*8
=800
30.4*2.5+3.96*25+30÷4 简便计算
=30.4×2.5+39.6×2.5+30÷4
=2.5×(30.4+39.6)+7.5
=2.5×70+7.5
=175+7.5
=182.5
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