请写出过程①99×99+99②10×0.1×100③8÷8÷0.125④37×39-29×37⑤1.8÷2.7÷0.6×2.7⑥47×99⑦0.5+[56÷(0.15+920)]⑧[(320+2.1)×47]÷0.9.-数学
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答案
①99×99+99, =99×(99+1), =99×100, =9900; ②10×0.1×100, =1×100, =100; ③8÷8÷0.125, =8÷(8×0.125), =8÷1, =8; ④37×39-29×37, =37×(39-29), =37×10, =370; ⑤1.8÷2.7÷0.6×2.7, =1.8÷0.6, =3; ⑥47×99, =47×(100-1), =47×100-47, =4700-47, =4653; ⑦0.5+[
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