4.7乘1.25乘1.6 0.52乘105 的简便运算则么算
4.7乘1.25乘1.6 0.52乘105 的简便运算则么算
4.7乘1.25乘1.6 =4.7*12.5*8*0.2 =(1.25*8)*(4.7*0.2) =10*0.94 =9.4 0.52乘105 =0.52*(100+5) =0.52*100+0.52*5 =52+2.6 =54.6
57乘1.25加31乘1.25简便运算
57乘1.25加31乘1.25简便运算
=(57+31)x1.25
=88x1.25
=80x1.25+8x1.25
=100+10
=110
1.25乘2乘0.37乘4简便运算
1.25乘2乘0.37乘4
=1.25乘2乘4乘0.37
=10乘0.37
=3.7
4.8乘1.25乘0.5的简便运算
4.8x1.25x0.5
=8x0.6x1.25x0.5
=(8x1.25)x(0.6x0.5)
=10x0.3
=3
1.8乘5.2+0.52乘2的简便运算
=1.8x5.2+5.2x0.2
=(1.8+0.2)x5.2
=2x5.2
=10.4
望采纳,祝你学习进步,谢谢
1.25乘0.36乘0.8的简便运算
1.25×0.8×0.36
=1×0.36
=0.36
望采纳,谢谢!
88乘0.3乘1.25的简便运算
88x0.3x1.25
=[(80+8)x1.25]x0.3
=[80x1.25+8x1.25]x0.3
=[100+10]x0.3
=110x0.3
=33
希望能够帮到你
88× 0.3 × 1.25
= 8 ×11 ×0.3 ×1.25
= (11 ×0.3)×(8 ×1.25 )
= 3.3 × 10
= 33
1.6乘1.25的简便运算怎么写
1.6×1.25
=1.25×8×0.2
=10×0.2
=2
1.25乘49 12.5乘1简便运算
1.25×49+12.5×1
=1.25×49+1.25+11.25
=1.25×(49+1)+11.25
=1.25×50+11.25
=62.5+11.25
=73.75