Question

三点四成七成一点五用脱式怎麼简便计算

Answer 1

三点四成七成一点五用脱式怎麼简便计算

3.4×7×1.5
=3.4×7×(1+0.5)
=3.4×(7×1+7×0.5)
=3.4×(7+3.5)
=3.4×10.5
=3.4×(10+0.5)
=3.4×10+3.4×0.5
=34+1.7
=35.7

三点四乘七乘一五有没有简便计算

三点四乘七乘一五
=3.4*105
=3.4*100+3.4*5
=340+17
=357

简便计算。0.35乘一点五乘二

0.35×1.5×2
=0.35×（1.5×2）
=0.35×3
=1.05

三点七乘一点一0.37的简便计算

三点七乘一点一0.37的简便计算
3.7*1.1-0.37
=3.7*1-3.7*0.1-0.37
=3.7-（0.37-0.37）
=3.7-0
=3.7

九减五点四八怎麼简便计算

9-5.48
=9-5-0.48
=4-0.48
=3+1-0.48
=3+0.52
=3.52

三点5×102简便计算怎麼算

3.5x102
=3.5x(100+2)
=350 +7
=357

0.99乘以三点四衣加上3.41怎样简便计算

0.99乘以三点四衣加上3.41怎样简便计算
解：0.99×3.41+3.41
=（1-0.01）×3.41+3.41
=3.41-0.0341+3.41
=3.41+3.41-0.0341
=6.82-0.0341
=6.7859

用简便计算十点七减七二十二.78除以三点四等多少

=(10.7-20.78)/3.4
=-10.08/3.4
=(-10.2+0.12)/3.4
=-10.2/3.4+0.12/3.4
=-3+0.04
=-2.96

三点6×102简便计算

3.6*102
=3.6*(100+2)
=360+7.2
=367.2

17.68除以五点2+3点四能简便的要用简便计算

17.68除以五点2+3点四
=3.4+3.4
=6.8
不能简便