直接写出得数:2.4×= ; = ; :0.75= ; ÷ =0.1;0.180%×= ; 32÷(1+60%)= ; 2﹣1= ; ×40=.
计算下题,能简便的要简便计算,并写出必要的过程.①6.6﹣48×÷4.8 ②×0.6+÷ ③63×+36×+75% ④[3.6﹣(+1÷3)]× ⑤0.008×0.000125+0.0125÷0.04 ⑥1﹣﹣﹣﹣.
用简便方法计算.6×9+9.2×4+9 (3.75+4.1+2.35)×9.8.
脱式计算(能简算要简算)(1)(66﹣32×1.2)÷0.25 (2)10×+17×75%﹣7×0.75(3)0.25×(5(3﹣2.5×)) (4)9.99×22.2+33.3×3.34.
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递等式计算(能简算的要写出简算过程)1.25×2.5×32 [2﹣(0.5+×2.4)]÷10÷8+3.96×12.5%+2.04×.