计算下面各题,能简算的要简算. (1)9.86-3.4÷1.7×1.3 | (2)0.36×3.9+3.9×1.64 | (3)7.23-(2.8+1.23) |
(4)1.64×2.5+2.1÷0.6 | (5)2.4×(0.85÷1.7)-1.08 | (6)0.04×[(17.6-14.1)÷1.4]. |
计算下面各题,能简算的要简算. (1)9.86-3.4÷1.7×1.3 | (2)0.36×3.9+3.9×1.64 | (3)7.23-(2.8+1.23) |
(4)1.64×2.5+2.1÷0.6 | (5)2.4×(0.85÷1.7)-1.08 | (6)0.04×[(17.6-14.1)÷1.4]. |