题目内容
脱式计算。(能简算的要简算)
|
(1)原式=2.07×2.8=5.769 | (2)原式=19.12-10.8=8.32 | (3)原式=0.1012+1.875=1.9762 |
(4)原式=0.28×(200+2) =0.28×200+0.28×2 =56+0.56 =56.56 |
(5)原式=(3.12+1.88)×2.4 =5×2.4 =12 |
(6)原式= 32.5×8.2-32.5×6.56 =32.5×(8+0.2)-213.2 =260+6.5-213.2 =53.3 |
练习册系列答案
相关题目