在一条绿荫大道的一侧从头到尾坚电线杆,共用电线杆86根,这条绿荫大道全长1700米线杆相隔多少米?
简便计算 12.5×(0.7×0.8)6.25×1.02 1.25×99 12.5×32×2.54.12﹣1.78﹣1.224.2÷0.7÷6.
0.46×7.5+0.46×2.5 3﹣7.14÷3.5×1.05 9.9×8.6+0.86 [20﹣(90.75÷6.6+2.25)]×11.6.
7.02×900×0.6 0.035÷0.7÷0.5 13.6﹣13.6×0.7 5.62+3.1×0.6+3.38 (25﹣1.25×5)÷2.5 8.1×0.3+1.8×0.3+0.03.
199×0.612.5×3.7+4.3×2.50.8×62.3×12.5 5.2×10.10.25×13.7×0.42.5×40.4.
(1)60.28+0.72×4.3 (2)6.37﹣0.37×16 (3)3.8×99 (4)2.5×9×0.4×1.1 (5)2.6×(10.6﹣9.72) (6)1.25×888.