8.9+3.01= 1- + = 1.2×5= 3.8÷0.038=
÷ = 3604÷62≈ 0.62-0.32= 1÷10%=
( - )×24= ×8÷ ×8=
①27×4=
②0.72÷0.8=
③
④
⑤
⑥82=
1.85﹣+= 1÷×= +0.375=
2.4﹣= (+)×2.4= 5÷×5÷=
10×45%= 1.25×8= 40×(1﹣20%)=
1﹣+= 1÷×= 0.5﹣+0.5﹣=
8.1+= (+)×24= 7××7÷=
654﹣546=
0.2÷=
7.58﹣3.8=
×5.6+9=
×≈
0.36÷0.3=
2.4×0.5=
﹣=
3×÷=
1÷+1÷=
3.2+6.8= ×33= 39×101= 0.36÷0.6= 705﹣398≈
-= 3.6÷= 5.4×10%= 0.12= +×3=
每本画册的价格/元
2.5
2.0
1.25
1.0
购买画册的本数/本
8
10
16
20
钢铁的质量/t
7.8
23.4
39
54.6
钢铁的体积/m3
1
3
5
7