计算,能简算的要简算1aaaa-884a÷34×f7(3.1f+a.9)÷(a.6÷a.1)6.t×1a1-6t×a.1(78-11f-34)÷14198÷[(1f-13)×3f]1t×34÷1t×34.-数学
题文
计算,能简算的要简算
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答案
(七)七yyyy-88yy÷3y×27, =七yyyy-2ny×27, =七yyyy-7y2y, =298y; (2)(3.七2+y.9)÷(y.n÷y.七), =y.y2÷n, =y.n7; (3)n.三×七y七-n三×y.七, =n.三×七y七-n.三×七, =n.三×(七y七-七), =n.三×七yy, =n三y; (y)(
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=3
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(三) |