用简便方法计算.12%
301×79
125×72×4
728×79十272×79
8.59+2.57+3.43+5.47
49.62+27.17﹣19.62
1546﹣(546﹣239)
计算下面各题:(能简算的要简算)
6.7+25+3.3+75103×1214.85﹣(4.85+2.5)15×99+15
(125+25)×82000÷125÷8300﹣125+30×5432÷12÷(57﹣51)
704﹣(53﹣18)×12458﹣75×4+132(459﹣27×5)÷36(200+350)÷11×38.
用你喜欢的方法计算.
15×35+15×65
25×125×32
1300÷25÷4
(25×120)×4
78×99
1200÷[(372+88)÷23].
计算下面各题(能简算的要简算)
1.25×3.2×2.51.8×5.6+44×0.183.4×99+3.4
101×8.3﹣8.3(27÷1.8﹣11)×2.539.4×[0.96÷(5.4÷0.9)].
简便运算.
7.5+2.7+2.7+2.5+4.3 7.9﹣3.27﹣0.73+1.172×125
(80+4)×12567×88+67×11+67 203×15.