首先:2.4x÷(2x-0.7)×(2x-0.7)=1.2
9.48×0.59.48 0.3÷0.150.3×0.15 4.8÷104.8×0.1
0.580.58÷0.9 7.3÷0.57.3×2
3.24×0.950.95 1.5÷1.251.5
①2.35×1.2= ②5.61÷6.1≈(得数保留2位小数)
(元)
1.2+0.26= 0.03÷0.4= 1÷150%= 25×4÷25×4=
- = 3÷ = 16×( × )= + + + =