脱式计算.12-14×5÷35 0.125×16×2.5 (1.2+4.8÷0.6)-0.2 2 5 × 1 7
脱式计算.12-14×5÷350.125×16×2.5(1.2+4.8÷0.6)-0.225×17+35×17(1-815×0.5)÷1156÷[1-(34+112)]....
脱式计算.12-14×5÷35 0.125×16×2.5 (1.2+4.8÷0.6)-0.2 2 5 × 1 7 + 3 5 × 1 7 (1- 8 15 ×0.5)÷11 5 6 ÷[1-( 3 4 + 1 12 )].
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(1)12-14×5÷35 =12-14×
=12-2, =10; (2)0.125×16×2.5 =0.125×4×4×2.5, =(0.125×4)×(4×2.5), =0.5×10, =5; (3)(1.2+4.8÷0.6)-0.2 =(1.2+8)-0.2, =9.2-0.2, =9; (4)
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(6)
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=5. |
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