-3.5×(1/6-0.5)×3/7÷(-1/2)=?
2个回答
-3.5×(1/6-0.5)×3/7÷(-1/2)
=-3.5×【(-1/3)×3/7】÷(-1/2)
=-3.5×(-1/7)÷(-1/2)
=0.5÷(-1/2)
=-1
相关问题
口算.40×0.7= 8.4÷0.2= 3.67×0.2= 3.5÷10= 3.6÷0.6= 1.7×0.5= 1.25
口算.40×0.7= 8.4÷0.2= 3.67×0.2= 3.5÷10= 3.6÷0.6= 1.7×0.5= 1.25
细心计算6.3× 3 4 +3.7÷ 4 3 ; (4.5×1.1×4.8)÷(3.3×0.8×0.5)7÷(7-7×0
7.2+2.8= 0.9÷0.01= 3.5+7.6= 3×0.2×0.5= 0.96÷0.3= 1.5×0.4= 7÷
2.5×5= 10+0.4= 2.5×0.4= 7.1×0.2= 1÷0.1= 3.6÷0.4= 0.2×3.1= 4.
2.5×5= 10+0.4= 2.5×0.4= 7.1×0.2= 1÷0.1= 3.6÷0.4= 0.2×3.1= 4.
(1)6×0.3= (2) 0.5÷ 1 7 = (3) 1 4 - 1 5 = (4)15×0.4= (5) 1.6×
9.1×3= 0.8×7= 5.6÷2= 11÷3= 40×0.5= 10-0.1= 2.48÷0.8= 2.1÷0.7
3/5×3/10÷5/6+1/6= 4/7×5/18+3/7÷18/5= 12.5×0.32×25=
10-10.5÷[5.2×14.6-(9.2×5.2+5.4×3.7-4.6×1.5)]+(1.7+1.9)÷0.225