分析:因為算式
÷
÷
,只有除法運算,應(yīng)從左往右依次運算,故本題錯誤.
點評:此題主要考查學(xué)生對分?jǐn)?shù)四則運算順序的掌握情況.
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8×6= | 72+19= | 6÷1= | 180÷180= |
48÷8= | 45+37= | 4×7= | 550-550= |
500-370= | 25+75= | 55+88= | 3200-700= |
69+24= | 350-80= | 77+66= | 790+130= |
87-29= | 800-330= | 99+11= | 257-257= |
65+35= | 69÷8= | 92+46= | 46÷7= |
50÷6= | 0÷8= | 39÷9= | 93-39= |
86-68= | 1000-300= | 29+63= | 54-45= |
7×7= | 75÷9= | 81÷9= | 800-260= |
86×0= | 470-80= | 55÷7= | 38+52= |
250+630= | 77+33= | 380+70= | 500-490= |
66÷7= | 6÷6= | 95-68= | 0×9= |
27÷9= | 910-320= | 73+37= | 0÷9= |
680+220= | 550+260= | 25÷4= | 0+9= |
57-38= | 8×9= | 47÷8= | 126-126= |
42+42÷7= | 64÷8+70= | 500+320+80= | 60+60+60= |
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273+35+65= | 120+395+80= | 90÷90×90= | 4000-3500+500= |
100-23-77= | 165+165-165= | 65-(40-25)= | 28÷7×6= |
800+683-600= | 45+36-45= | 5×8÷5= | (27+36)÷7= |
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89+89-89+89-89= | 64-5×8-2×8= | 147+148+149+150+151+152+53= | 1+2+3+4+5+6…+94+95+96+97+98+99= |
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