简便算:4.3*1.65+2.35*4.3 (2)9.9*7.6+99*0.24 (3)1.25*5.6 (4)5.1*19.96-19.96+19.96*5.9
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简便算:4.3*1.65+2.35*4.3(2)9.9*7.6+99*0.24(3)1.25*5.6(4)5.1*19.96-19.96+19.96*5.9简便算:4.3*1.65+2.35*4.3(
简便算:4.3*1.65+2.35*4.3 (2)9.9*7.6+99*0.24 (3)1.25*5.6 (4)5.1*19.96-19.96+19.96*5.9
简便算:4.3*1.65+2.35*4.3 (2)9.9*7.6+99*0.24 (3)1.25*5.6 (4)5.1*19.96-19.96+19.96*5.9
简便算:4.3*1.65+2.35*4.3 (2)9.9*7.6+99*0.24 (3)1.25*5.6 (4)5.1*19.96-19.96+19.96*5.9
4.3*1.65+2.35*4.3
=4.3x（1.65+2.35）
=4.3x4
=17.2
9.9*7.6+99*0.24
=9.9x7.6+9.9x2.4
=9.9x（7.6+2.4）
=9.9x10
=99
1.25*5.6
=1.25x8x0.7
=1x0.7
=0.7
5.1*19.96-19.96+19.96*5.9
=19.96x（5.1-1+5.9）
=19.96x10
=199.6
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简便算
能简便的简便算.
能简便就简便算.
能简便的简便算
简便算:4.3*1.65+2.35*4.3 (2)9.9*7.6+99*0.24 (3)1.25*5.6 (4)5.1*19.96-19.96+19.96*5.9
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