1、(80-9.8)×5分之2-1.32 =70.2X2/5-1.32 =28.08-1.32 =26.76 8×7分之4÷[1÷(3.2-2.95)] =8×4/7÷[1÷0.25] =8×4/7÷4 =8/7。...
六年级数学脱式计算带过程带答案 急急急 1.6÷ 3/8 – 3/8 ÷6 =1/6x(3/8-3/8)=1/6x0=02.4/7 × 5/9 + 3/7 × 5/9 =(4/7+3/7)x5/9=1x5/9=5/93.5/2 -( 3/2 + 4/5 )=5/2-3/2-4/5=1-4/5=1/54.6 ×( 1/2 + 2/3 )=6x1/2+6x2/3=3+4=75.8...