1.1×0.91.1 1.17÷1.31.17
0.83×1.10.83 1.9÷0.251.9×4
1.25×0.8= 2.44+0.56= 11.1÷0.03= 1.23-0.3= 0.72=
2.4÷0.04= 2.5×4= 0.63÷0.7= 3.5÷7×0= 6÷2.5=
①0.8×4×12.5×2.5
②0.74×11.5-0.15×7.4
③1.23×99
④6.3×3.6+3.6×3.7
⑤47.28÷0.5÷0.2