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6-0.65= 7.6+ = × = ÷ =
× = -10%= 6.8×0.1= 9×300%=
①9.6× +10÷7+ ×1.4
②(5+ - )×
③534+880÷(704-688)
④ ×0.25
⑤2020×
⑥34.4÷0.01-1.25×25×32
⑦ ×[ -( -0.25)]÷
⑧[ ×( -0.15)+7.8]÷
⑨1.5×36+62×150%+2÷
⑩[17.1-17.1÷(3.1-1.2)]×0.6
28+882= 13-10.7= 62.7+3.6= 1.8×3=
+ = × = ÷5.75= 99×102≈
2.5×4%= 6.3× = ÷ = 159÷41≈
× = ÷ = + = 2- =
5.8÷0.1= 20×25%= 15-0.5= 3.82+1.18=
1.25×8.8= 15÷1%= 9.1-1.9= 7.2÷0.6= 9π=
0.25×8= ÷ = - = × = 0.52=
+ = 8×3.14= 0.42= 1-9÷19= 60%- =
2÷20%= 2.67+ = ×6÷ ×6=
1-45%= 20×45%= 25%÷15%= 100×(1-25%)=
1.2-0.85= 54÷90%= 2.3+0.17= 50÷(45%-20%)=
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