3.06-2.5+1.94 | 3.8+3.98+6.02 | 9.53-(4.53+2.4) |
76-9.36-30.64 | 2.29+3.7+6.71+6.3 | 3.25-0.13-1.25-0.87. |
(1)3.06-2.5+1.94, =3.06+1.94-2.5, =5-2.5, =2.5; (2)3.8+3.98+6.02, =3.8+(3.98+6.02), =3.8+10, =13.8; (3)9.53-(4.53+2.4), =9.53-4.53-2.4, =5-2.4, =2.6; (4)76-9.36-30.64, =76-(9.36+30.64), =76-40, =36; |
科目:小学数学 来源:不详 题型:解答题
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