4.4+4.4*12+13*5.6怎么简便计算

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4.4+4.4*12+13*5.6怎么简便计算

4.4+4.4*12+13*5.6怎么简便计算
4.4+4.4*12+13*5.6怎么简便计算

4.4+4.4*12+13*5.6怎么简便计算
4.4+4.4*12+13*5.6
=4.4+4.4*12+13*(10-4.4)
=4.4+4.4*12+13*10-13*4.4
=4.4*(1+12-13)+13*10
=4.4*0+130
=130

4.4+4.4*12+13*5.6
=4.4*(1+12)+13*5.6
=4.4*13+13*5.6
=13*(4.4+5.6)
=13*10
=130

原式=4.4(1+12)+13*5.6=4.4*13+13*5.6=13(4.4+5.6)=13*10=130

4.4+4.4*12+13*5.6=4.4*（12+1）+13*5.6=13*（4.4+5.6）=13*10=130

原式=4.4×（1+12）+13×5.6
=13×（4.4+5.6）
=130

4.4+4.4*12+13*5.6
=4.4*(1+12)+13*5.6
=4.4*13+13*5.6
=(4.4+5.6)*13
=10*13
=130

4.4+4.4*12+5.6=4.4*(1+12)+13*5.6=13(4.4+5.6)=130

4.4+4.4*12+13*5.6
=4.4*(1+12)+13*5.6
=4.4*13++13*5.6
=(4.4+5.6)*13
=130

4.4+4.4*12+13*5.6
=4.4*(1+12)+13*5.6
=4.4*13+5.6*13
=13*(4.4+5.6)
=13*10
=130

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