3.7×5.1+0.37×49的简便算法
回答:=0.37ⅹ51+0.37ⅹ49 =0.37x(51+49) =0.37x100 =37
3.7×101.1-3.7的简便算法
3.7×101.1-3.7 = 3.7(101.1-1)= 3.7×100.1 = 3.7×(100+0.1)= 3.7×100 + 3.7×0.1 = 370+0.37 = 370.37
3.7*9.9+0.37的简便算法
你好,可以这样算 3.7*10-0.37+0.37=37
怎么做?
4、6\/5+10\/3-15\/8 5、4\/3-(6\/5-8\/3) 6、9\/1+(8\/7-4\/1) 7、10\/1+4\/1+15\/2 8、12\/5+6\/5-4\/1 9、4\/3-5\/2+15\/7 10、1-9\/2-6\/1 11、24\/23-3\/1-12\/7 12、5\/2+7\/3+35\/1 13、3\/1+6\/1+9\/4 14、2\/1-4\/1-8\/1 15、6\/5-4\/3+24\/5 16、8\/5+4\/1-12\/...
3.7×0.39+37×0.046+0.37×1.5怎么简算?
解:原式=3.7×0.39+3.7×0.46+3.7×0.15 =3.7×(0.39+0.46+0.15)=3.7×1 =3.7 希望能帮到你
四点8×0点三七+52乘0.037的简便算法
计算:4.8x0.37+52x0.037 =4.8x0.37+5.2x0.37 =0.37x(4.8+5.2)=0.37x10 =3.7
0.37x36+37x0.64的簡便算法
0.37x36+37x0.64 =0.37x36+0.37x64 =0.37x(36+64)=0.37x100 =37
简便计算
17.29-5.28-6.29 公式2:(aXb)Xc=aX(bXc)25×6.8×0.04 0.25×32×0.125 6.4×1.25×12.5 公式3:c×(a+b)=ca+cb 0.45×201 0.58×10.1 50.2×99 4.7×9.9 3.28X5.7+6.72X5.7 2.1×99+2.1 1.7×9.9+0.17 23×0.1+2.3×9.9 0.18+4...
0.37×5.5-3.7×0.45的简便算法?
0.37×5.5-3.7×0.45=3.7×0.55-3.7×0.45=3.7×(0.55-0.45)=3.7×0.1=0.37
3.7乘以1.1减3.7的简便算法
(3.7x1.1)-3.7 =3.7x1.1-3.7x1 =3.7x(1.1-1)=3.7x0.1 =0.37 希望对你有所帮助~