竖式计算26.7﹣17.5= 61.6+31.9= 30﹣1.65= 24.08+4.33=验算67.08﹣7.58=验算 32.5+17.45=验算 45.8﹣22.27=验算.
132-1.05÷10.5+27 [4.75+8.4÷(9.2-6.8)]×40
7.8×36+78×6.4 10.8+6.7-10.8+4.3
86.4÷3.2-6.4×3.2 32.4×O.9+0.1×32.4
168.1÷(4.3×2-0.4) 168.8÷(24.3×2-6.4)
5400-2940÷28×27 (20.2×0.4+7.88)÷4.2