2.5x[(100-98.3)0.4]简便运算
2.5x[(100-98.3)0.4]简便运算
2.5x[(100-98.3)0.4]简便运算
2.5x[(100-98.3)0.4]
=2.5*(1.7÷0.4)
=2.5*4.25
=10.625
(2.5\2+2\2.5)x0.4 简便运算。
(2.5\2+2\2.5)x0.4
=2.5/2*0.4+2/2.5*0.4
=1/2+8/25=41/50
2.5×17.06×0.4×3÷100×853如何简便运算
2.5×17.06×0.4×3÷(100×853)
=(2.5×0.4)×17.06×3÷(100×853)
=1×(2×8.53)×3÷(100×853)
=(2×3)×(8.53÷853)÷100
=6×0.01×0.01
=0.0006
2.1除2.5在除0.4脱式简便运算
2.1除以2.5再除以0.4脱式简便运算
2.1÷2.5÷0.4
=2.1÷(2.5x0.4)
=2.1÷1
=2.1
0.125x9.1-1.18的简便运算
0.125x9.1-1.1÷8的简便运算
0.125x9.1-1.1÷8
=9.1*0.125-1.1*0.125
=0.125*(9.1-1.1)
=0.125*8
=1
2.46x0.8+1.23x0.4简便运算
2.46x0.8+1.23x0.4
=1.23×2×0.8+1.23×-。4
=1.23×(1.6+0.4)
=1.23×2
=2.46
240+18030x0的简便运算
240+18030x0
=240+6×0
=240+0
=240
4.8x(10.40.8)x0.75的简便运算
4.8x(10.4+0.8)x0.75
=1.2x3x11.2
=3.6x11.2
=36+3.6+0.72
=36+4.32
=40.32
765x213チ27ᅧ+765x32727简便运算
765x21327+765x32727
=76527x213+76527x327
=76527x(213+327)
=76527x540
=765x(54027)
=765x20
=15300
2.5x4.025x4的简便运算
2.5x4.025x4
=2.5*4*4.025
=10*4.025
=40.25
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