脱式计算(能简便算的要简便算)
(1)89.3×43+38×89.3+893×1.9 | (2)10.01×101-10.01 | (3)4.75×17.5+2.5×4.75 |
(4)1.25×32×0.25 | (5)0.22×1.5+1.541÷2.3 | (6)(5.15-3.25)×0.4+0.36. |
(1)89.3×43+38×89.3+893×1.9 | (2)10.01×101-10.01 | (3)4.75×17.5+2.5×4.75 |
(4)1.25×32×0.25 | (5)0.22×1.5+1.541÷2.3 | (6)(5.15-3.25)×0.4+0.36. |