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計(jì)算與簡(jiǎn)算
1.計(jì)算999×87.5+87.5.
2.計(jì)算808×0.125—1600÷16
3.計(jì)算3.49+4.47+3.51+2.38+4.53+2.62.
4.計(jì)算732066×55555×(4—3.2÷0.8).
5.計(jì)算0.45-[10-(0.2+6.37÷O.7)]×0.5.
6.計(jì)算0.035×935+O.035+3×0.035+O.07×61×0.5.
7.計(jì)算19.98×37—199.8×1.9+1998×0.82.
8.計(jì)算(8.4×2.5+9.7)÷(1.05÷1.5+8.4÷0.28)
9.計(jì)算26.25+73.75×0.35+0.65×73.5.
10.計(jì)算1.1+1.3+1.5+…+9.9.
11.計(jì)算 32.14+64.28 ×0.5378×0.25+0.5378×64.28×0.75—8×64.28×0.125×0.5378
12.計(jì)算0.888×125×73+999×3.
答案:
1. 87500
2. 1
3. 21
4. 0
5. 0.1
6. 35
7. 1998
8. 1(兩個(gè)括號(hào)內(nèi)分別計(jì)算)
9. 99.8375(分拆)
10. 247.5(45×5+2.5×9,分組)
11. 32.14
12. 11100(999=27×37)
計(jì)算與簡(jiǎn)算
1.計(jì)算999×87.5+87.5.
2.計(jì)算808×0.125—1600÷16
3.計(jì)算3.49+4.47+3.51+2.38+4.53+2.62.
4.計(jì)算732066×55555×(4—3.2÷0.8).
5.計(jì)算0.45-[10-(0.2+6.37÷O.7)]×0.5.
6.計(jì)算0.035×935+O.035+3×0.035+O.07×61×0.5.
7.計(jì)算19.98×37—199.8×1.9+1998×0.82.
8.計(jì)算(8.4×2.5+9.7)÷(1.05÷1.5+8.4÷0.28)
9.計(jì)算26.25+73.75×0.35+0.65×73.5.
10.計(jì)算1.1+1.3+1.5+…+9.9.
11.計(jì)算 32.14+64.28 ×0.5378×0.25+0.5378×64.28×0.75—8×64.28×0.125×0.5378
12.計(jì)算0.888×125×73+999×3.
答案:
1. 87500
2. 1
3. 21
4. 0
5. 0.1
6. 35
7. 1998
8. 1(兩個(gè)括號(hào)內(nèi)分別計(jì)算)
9. 99.8375(分拆)
10. 247.5(45×5+2.5×9,分組)
11. 32.14
12. 11100(999=27×37)