如题所述
第1个回答 2021-07-11
运用乘法分配律进行简便计算
48x102+199x52
=48x(100+2)+(200-1)x52
=48x100+48x2+200x52-1x52
=4800+96+10400-52
=4896+10400-52
=15296-52
=15244
48x102+199x52
=48x(100+2)+(200-1)x52
=48x100+48x2+200x52-1x52
=4800+96+10400-52
=4896+10400-52
=15296-52
=15244
第2个回答 2021-07-11
48×102+199×52简便运算:
48×102+199×52
=48×(100+2)+52×(100-1)
=4800+96+5200-52
=4800+5200+96-52
=10000+96-52
=10096-52
=10044
48×102+199×52
=48×(100+2)+52×(100-1)
=4800+96+5200-52
=4800+5200+96-52
=10000+96-52
=10096-52
=10044
第3个回答 2021-07-10
48×102+199×52用简便运算怎么做?
解:48×102+196×52
=48×(100+2)+(200-1)×52
=48×100+48×2+52×200-52×1
=4800+96+10400-52
=4800+10400+(96-52)
=15200×44
=15244。
解:48×102+196×52
=48×(100+2)+(200-1)×52
=48×100+48×2+52×200-52×1
=4800+96+10400-52
=4800+10400+(96-52)
=15200×44
=15244。
第4个回答 2021-07-10
48x102+199x52用简便运算
=48×(100+2)+52×(200-1)
=48×100+48×2+52×200-52
=4800+96+10400-52
=15244
希望能帮到你
=48×(100+2)+52×(200-1)
=48×100+48×2+52×200-52
=4800+96+10400-52
=15244
希望能帮到你
第5个回答 2021-07-10
48x102+199x52简便运算
=48x100+48x2+52x100+52x100-52
=(48+52)x100+5200+96-52
=10000+5200+44
=15244
=48x100+48x2+52x100+52x100-52
=(48+52)x100+5200+96-52
=10000+5200+44
=15244