脱式计算.
8.82×15﹣10015.8﹣+14.2﹣
21.6﹣0.8×4÷0.8×4
3×3.7+3.6+5.3×3
2.5×4.4(1.5+2
)÷3.75﹣
.
计算下面各题.(能简算的要简算)
(1)24×+76×
(2)87.5÷12.5÷8(3)
(4)91+91×(5)2.2×101(6)14.6﹣3.625﹣6.375.
能简算的要简算
40%×+60%×
20%×
﹣20%×
×35%+0.25×65%
75%×125﹣75%×25(+
)×4515×40%+85×40%
计算(能简算的要简算).
5×32×12.58×5×(25﹣18 ) 4.63+345+5.37+71517×58﹣58.
0.5×1.6+0.5×26.47.16﹣(3.5﹣3.84)(0.125×8﹣0.5)÷0.25﹣(
+
) 999×778+333×666(13×0.58﹣4.87+0.42×13﹣5.13)×4.25.