1.2+1.2+0.01= 1- 0.25×4= 7.2+1.5-2.8=
0.2÷0.2÷2= 0.125×0.8+0.01= 0.1÷0.1-0.1×0.1=
①8x÷2=23
②7(x+3.2)÷2=28
③9x-4.8=3x-1.2
④3.6x-x-0.1x=0.75
①10.4÷0.4×0.25
②[0.1÷(1-0.99)-9]÷0.1
③0.99×45
④0.24×15×(3.25 - 2.35)
⑤23.2-4.6-6.8-5.4
⑥9.6×12.4-9.6-1.4×9.6
0.3×3.83.8÷0.9
-0.5-0.05 +33 +1-8
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