計算能簡算的必須要簡算不能簡算的可以不簡算 1.5/7÷5/12×(7/12-5/12)+5/7 2.3/16×1又7/9+1/2×7/13+6/13×0.5 3.(4/5-1/3)÷(7/8+7/10×5/12) 4.4/9÷〖4/5-(1/5+1/3)〗 5.2又2/3×4/5+0.8×1又1/3+6×80‰ 6.15/16+(7/16-1/4)÷1/2 7.1/3÷(2/3-2/5)×3/5 8.8/9+8/9+8/9+8/9+5/9 9.〖1/2-(3/4-3/5)〗÷7/10 10.(3/5-2/5×3/4)÷1/5+0.5 滿意加一百分 要寫清楚點

計算能簡算的必須要簡算不能簡算的可以不簡算 1.5/7÷5/12×(7/12-5/12)+5/7 2.3/16×1又7/9+1/2×7/13+6/13×0.5 3.(4/5-1/3)÷(7/8+7/10×5/12) 4.4/9÷〖4/5-(1/5+1/3)〗 5.2又2/3×4/5+0.8×1又1/3+6×80‰ 6.15/16+(7/16-1/4)÷1/2 7.1/3÷(2/3-2/5)×3/5 8.8/9+8/9+8/9+8/9+5/9 9.〖1/2-(3/4-3/5)〗÷7/10 10.(3/5-2/5×3/4)÷1/5+0.5 滿意加一百分 要寫清楚點

1.5/7÷5/12×(7/12-5/12)+5/7=5/7×12/5×2/12+5/7=2/7+5/7=12.3/16×1又7/9+1/2×7/13+6/13×0.5=3/16×16/9+1/2×7/13+6/13×1/2=1/3+7/26+3/13=1/3+(7/26+6/26)=1/3+1/2=5/63.(4/5-1/3)÷(7/8+7/10×5/12…