(5.4╳1.3十4.6╳1.3)÷2.6的简便方法
(5.4╳1.3十4.6╳1.3)÷2.6的简便方法
(5.4╳1.3十4.6╳1.3)÷2.6
=[（5.4+4.6）×1.3]÷（2×1.3）
=10×1.3÷2÷1.3
=10÷2×1.3÷1.3
=5
5.4X[(1.3十2.15)÷0.2]用简便方法
=5.4x[3.45÷0.2]
=5.4x17.25
=93.15
3.9-1.3+2.6怎样简便方法?
3.9-1.3+2.6怎样简便方法?
3.9-1.3+2.6
=3.9+2.6-1.3
=3.9+1.3
=5.2
5.8×1.3 4.2×1.3=的简便方法
5.8×1.3+4.2×1.3
=(5.8+4.2)×1.3
=10×1.3
=13
1.8*2.6/16.9/(3.6*1.6)*1.3的简便方法
简便方法
1.8×2.6÷16.9÷(3.6×1.6)×1.3
=（1.8÷3.6）×（2.6×1.3÷16.9）÷1.6
=0.5×0.2÷1.6
=0.1÷1.6
=1/16
1.3十4.6+5.5十5.4+8.7用简便运算计算
1.3十4.6+5.5十5.4+8.7
=（1.3+8.7）+（4.6+5.4）+5.5
=10+10+5.5
=25.5
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6.4#1.3-9.6*1.3+5.3#1.3+17.6*1.3的简便方法
6.4*1.3-9.6*1.3+5.3*1.3+17.6*1.3
=（6.4-9.6+5.3+17.6）*1.3
=19.7*1.3
=（20-0.3）*1.3
=20*1.3-0.3*1.3
=26-0.39
=25.61
2.6×1.3+1.7能否用简便方法计算
2.6x1.3+1.7
=1.6x1.3+1.3+1.7
=2.08+3
=5.08
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5.4÷0.25十4.6x4的简便方法
5.4÷0.25十4.6x4
=5.4x4十4.6x4
=4x（5.4+4.6）
=4x10
=40
12.75(1.2十1.3)简便方法
12.75÷(1.2十1.3)
=12.75÷2.5
=5.1
不能简便
