如题所述
解:4×61-45等于( 199 )
∵已知需求出4×61-45等于多少
∴4 × 61- 45
= 244 - 45
= (200 + 44)- 45
= 200 + 44 - 45
= 200 + (44 - 45)
= 200 - 1
= 199
答:4×61-45等于199
∵已知需求出4×61-45等于多少
∴4 × 61- 45
= 244 - 45
= (200 + 44)- 45
= 200 + 44 - 45
= 200 + (44 - 45)
= 200 - 1
= 199
答:4×61-45等于199
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第1个回答 2021-10-07
原式=3x61+(61-45)
=183+16
=199
=183+16
=199
第2个回答 2021-10-07
解原式=3x61+(61-45)
=183+16
=199
=183+16
=199
第3个回答 2021-10-07
4×61-45
=244-45
=199
=244-45
=199